• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Summary The invention relates to a method for using an accumulator-driven screw system (1) which is suitable for establishing screw connections by means of a motor-driven working spindle, the accumulator-driven screw system (1) having communication devices (4, 8) for a wireless data feed. screw curve (40) describing a screw sequence between a screw spindle module (3) and an evaluation module (2), wherein at least two quantities characteristic of the screw curve (40) are transmitted wirelessly by means of the communication devices (4, 8) and from the Transfer data module ( 2) calculate at least one further relevant quantity for the screw curve (40). The invention further relates to an accumulator-driven screw system (1) which is suitable for maintaining screw joints by means of a motor-driven working spindle, the accumulator-driven screw system (1) having communication devices (4, 8) for a wireless data transfer of data for defining a screw curve (40). describes a screw course between a screw spindle module (3) and an evaluation module (2), wherein the communication devices (4, 8) have a medal for wireless transmission of at least two quantities characteristic of the screw curve (40) and that the evaluation module (2) has a device (2). 9) for calculating at least one further relevant quantity for the screw curve (40) from the transferred data.
    公开号:SE537789C2
    申请号:SE1151284
    申请日:2011-12-28
    公开日:2015-10-20
    发明作者:Martin Eckert
    申请人:Bosch Gmbh Robert；
    IPC主号:
    专利说明:

    The invention relates to a method for using an accumulator-driven screw system which is suitable for establishing screw connections by means of a motor-driven working spindle, the accumulator-driven screw system having communication devices for data. describes a screw thread between a screw spindle module and an evaluation module, as well as an accumulator-driven screw system which is suitable for establishing screw connections by means of a motor-driven working spindle, the accumulator-driven screw system having communication devices in which a data transmission is described. screw thread between a screw spindle module and an evaluation module.
    SkruvfOrband has long offered in many areas the possibility of connecting all workpieces to each other. The advantages of screw connections are in particular the releasability and the installability of the force with which the screw element (eg a screw, a bolt or the like) is screwed into the workpiece or into a counterpart (eg a nut) which has a complementary inner passage. These advantages make screw joints a very frequently used joint variant even in modern production processes. Even in the production of complex products, for example in vehicle or machine construction, many different screw connections between different individual parts are produced during production in corresponding production lines. These individual parts can have different material properties, which for example result from different material compositions, material strength, material treatment, surface coating and the like. Also the forces acting on resp. screw connections often differ greatly within a product. Accordingly, it is often necessary to set up screw connections of very different connection strength along a production line. 1 This can be guaranteed, for example, by coating the screw element, incidentally referred to simply as a screw, with a predetermined minimum torque. Thus, it is possible to guarantee that the bandage exhibits the requisite strength. In doing so, however, it must be taken into account that the torque does not exceed a maximum value as the screw conveyor can be damaged, which in turn would lead to a reduction of the connection strength. Therefore, monitoring the torque of a screw joint is essential for assessing the quality and functionality of the screw joints in many applications.
    In the case of complex products, the individual parts of which are connected to one another by a plurality of screw belts, it is often very laborious to pay close attention to the torque provided for the production of the screw joint. For example, it would be useful to have a manufacturing line that, for conventional screwdrivers that require tightening with a certain torque, use a torque wrench that is precisely rated for this screw belt. Since this is not possible in practice, some screw systems have already been developed which make it possible to adjust the torque according to the present requirements.
    Particularly suitable have been found to be accumulator-driven screw systems which establish screw belts by means of a motor-driven working spindle. These accumulator-driven screw systems usually have an accumulator (Battery) or a batted, which supplies an electric motor with electrical energy, so that it can be set in motion resp. operate components used for the performance of a job. The torque for resp. screw belts can then be adapted depending on special requirements. Usually, torque or a set of torques is stored as anticipated if it resp. the process in the screw system, for example with the help of a parameterization interface (user program). A change in these values is only a matter of time and does not necessarily weigh on the amount of data associated with it. New torques can also be fed directly into the screw system.
    In order to meet the requirements of modern process controls and quality assurance, further developments of this screw system include communication devices Mr a wireless transmission of data, which for example depicts the establishment of the predetermined torque value in resp. Connection process and possibly even depicts the process of the screw curve that has the barrel of the present connection result. This data is usually provided from a screw spindle module and OverfOrs to the evaluation module.
    In this case, it is also possible not only a predetermined torque Overfors but complex screw curves that describe different torques and angular velocities of the working spindle Over the total screw process.
    However, there are screw systems on the market that can also define and perform a series of different screw processes. In particular, it is necessary that the completed screw process is documented and documented by the evaluation module for quality control and saved for any senate complaints. The information about the screw process performed for the evaluation module is provided for each of the many screw processes performed with this screw spindle, so that a total of a large amount of data is transferred. Each screw process can, for example, contain information about the screw head used and the torques that occur at certain times during the screw process. Since the mediated torques can be changed over a screw process, in this case a large amount of data. If this communication occurs wirelessly, the transmission of the complex information over the unsupported screw process must result in a considerable data volume, which requires increased sanding power during the sanding process. Especially with the screw spindle module, this causes a significant reduction in the performance of the screw spindle module because the screw spindle module is usually an accumulator-driven apparatus, the operating time of which is reduced by the energy required for the energy-intensive sanding runs.
    It is therefore important for Onskvart to reduce the energy required for the sanding and receiving processes and thereby make a larger proportion of the accumulator capacity available to the screw processes. It is therefore the object of the invention to reduce the energy consumption for sanding and receiving data. Over the specified screw process it will also be possible to carry out more screw processes per accumulator charge.
    This task is solved through the danger of the independent patent claim.
    An essential aspect of the invention is a method for using an accumulator-driven screw system which is suitable for establishing screw connections by means of a motor-driven working spindle, the accumulator-driven screw system having communication devices for a wired data transfer, between a screw spindle module and a data module. for definition of screw curves describing by screw process, wherein at least two quantities characteristic of the screw curve are transferred by means of the communication devices and wherein data to be transferred is modified at the screw spindle module by a calculation of at least one relevant quantity for characterizing the screw curve. An entire data set resp. a plurality of value pairs.
    Through this procedure, it is possible to significantly reduce the time required for the wireless data experience. The data sets that usually consist of torque angle resp. torque / time value pairs can be calculated in the evaluation module from the Override data. The Overford data can then, for example, comprise a starting angle, a time value, a reading rate, a speed or something else. From the Overforda vardena, moment / angle resp. torque / time-value pairs are recalculated for each time point and thus the entire screw process can be documented and detailed in detail. 4 The screw spindle module is preferably a control module, i.e. preferably an independent rake unit with motor and spindle which descends resp. stored far screwing parameters (including eg screw-in speed, shut-off torque, shut-off angle, Monitoring limit, etc.), also called screw program. In this context, output means that the spindle motor is regulated to the desired speed and the torque-angle gradient time values are registered, which are compared with target parameters and stored in a screw curve. The fixed screw curves are transferred after farcical screwing to a parent control module (eg a joint computer in the production line).
    In a hazardous embodiment of the invention, the screw curve is divided into individual steps and dangerously Overfars for each step resp. characteristic value gets start angle and start time or unloading rate. Thereby it is possible to calculate torque / angle resp. torque / time-value pairs for each, for example, linearly far-reaching section (each step) of the screw curve. In the case of simpler screw curves in particular, only the transmission of a few data is necessary. But even with very complex screw curves, the amount of data to be scanned can be reduced considerably. In this case, it is possible to calculate even non-linear screw curves resp. step at a screw curve. For example, even a precisely defined acceleration curve can be calculated via its starting value. The premise is that the curve course is constant within each individual step.
    In a first step in the screw spindle module, a data set to be transferred from the screw curve is calculated after a challenge. In a first step in the screw spindle module, a review of this data characterizing the screw curve to the evaluation module takes place. It is also possible for data to be transferred or calculated to be stored inside the screw spindle module, possibly temporarily, in order to allow a later (possibly renewed) review of the data set. On the screw spindle module side, a storage of result data for the father screw is resized. The result data is, among other things, torque / angle pairs in a defined angular load resp. torque / time pair in a defined time resolution. The transfer takes place in the case of existing radio infrastructure and in the case of a corresponding configuration, preferably to a higher control module (or an evaluation module) which is preferably connected to the company network.
    In order to design the procedure as energy-saving as possible and thus design the working time available with an accumulator charge as long as possible, a preferred variant of the procedure is interrupted by the wireless transfer of data between the communication devices after performing a transfer of data. This reduces the energy consumption of the communication device by transmitting the data that is necessary for defining a screw curve.
    In a further hazardous variant of the procedure, torque / angle and / or torque / time value pairs of a screw curve are calculated within a step with constant speed and unloading rate from wireless Overfors data for start angle and start time. The result data volume can be reduced by the thrut-determined angular and time resolution, when, for example, the start and end values are known. This not only reduces the amount of data to be transferred but also the storage requirements of the screw spindle module.
    In a hazardous variant of the method, the time for transferring data used in the evaluation module for calculating the torque / angle and / or torque / time value pairs that characterize the screw curve is reduced compared to the transmission of torque / angle and / or torque / time. value pairs at the same bandwidth.
    A further essential aspect of the invention is an accumulator-driven screw system which is suitable for establishing screw connections by means of a motor-driven working spindle, wherein the accumulator-driven screw system has communication devices for a wireless data transfer of data for definition and thus possibly a screw which describes a screw. a screw spindle module and an evaluation module, the communication device having means for wireless transmission of at least two quantities characteristic of the screw curve and the screw spindle module having a device for calculating at least one further relevant quantity for the screw curve from the data.
    Such an accumulator-driven screw system makes it possible, in particular, for energy-efficient transmission of data Mr to describe a screw curve to the evaluation module.
    The calculation of data in the screw spindle module is more energy-efficient than the transfer of the complete data set. As a result, a lower energy consumption results in the screw spindle module, so that an accumulator charge lasts longer resp. can be used for more screw runs.
    In a preferred embodiment of the accumulator-driven screw system, the wireless data transfer between the communication devices is bidirectional. As a result, information is also transferred to a screw screw, and / or the screw holder used, back to the screw spindle module or another communication device, whereby this information can then be used for evaluation and quality control.
    In a further preferred embodiment, the accumulator-driven screw system has a device which comprises a microcontroller which is suitable for dividing a predetermined screw curve into individual steps, which steps resp. can be defined by start angle and start time or unloading rate.
    This device is preferably located in the screw spindle module or in the communication device on the screw spindle module side. In this device, a predetermined screw curve is divided in such a way that individual steps are formed, which resp. has a continuous course. This process can be described with less data so that the transmission of this data is then sufficient to calculate the exact process of each step on the evaluation module side of the wireless communication channel. On the evaluation module side, the individual 7 calculated steps are put together into the original screw curve, so that with a considerably reduced data volume, all the information of a screw curve can be reconstructed for the usual data point.
    In a preferred variant of the accumulator-driven screw system, the evaluation module has a device by means of which, based on the starting angle and starting time or unloading rate, individual steps of a screw curve and / or the predetermined screw curve can be calculated. As already described above, the data volume to be transmitted wirelessly can be significantly reduced if, for each of the steps of a screw curve calculated on the control module side, only the relevant data is transmitted for these steps. This data consists of a component that describes the torque resp. the change in torque per unit time. This component is described by the starting angle. Further indication of need Over time, during which resp. step utfOrs. For example, the time value can be OverfOras or the time value can be calculated from, for example, the unloading rate. Therefore, a start time or scan time is preferably transmitted in addition to the start angle.
    From this Override data, by means of a device on the evaluation module side, the resp. the steps of the screw curve are calculated. In this case, the evaluation module, which has an evaluation module-side communication device or another component, can have this device for calculation and perform the calculation.
    In a preferred embodiment of the accumulator driven screw system, the data provided by the screw spindle module for the wireless data liner and is constant and characteristic of individual steps of a screw curve comprises a starting angle value, a speed value and a scanning value. As already described above, this data is particularly useful in describing the individual steps of a screw curve with sufficient accuracy. The data volume is significantly reduced when reducing this data, without any information being defined by a screw curve and thus the screw process is lost.
    Further dangerous parts, grinds and features of the following invention are explained in the following with the aid of the following description, in which an accumulator-driven screw system according to the invention is illustrated as an example, which is suitable for establishing screw conveyors by means of a motor-driven working spindle, the accumulator-driven screw system for a wired data transfer of data, a screw curve describing a screw sequence may be defined between a screw spindle module and an evaluation module. Components of the accumulator-driven screw system which in the figures at least agree with respect to their function can then be provided with the same reference numerals, these components not having to be provided with numbers in all the figures and be explained.
    There are shown: Fig. 1: a schematic diagram of an embodiment of the tool according to the invention; Fig. 2: an example of a screw curve; Fig. 3: a schematic course of calculation of data, their Experience and their recalculation.
    Fig. 1 shows a schematic diagram of an embodiment of the screw system 1 according to the invention. It comprises a screw spindle module 3 and an evaluation module 2 which wirelessly communicate with each other via communication devices 4, 8. To guarantee the mobility of the screw spindle module 3, it is supplied with energy via an accumulator 5. In the screw spindle module 3, screw curves are to be prepared and prepared for the transfer via the communication channel 6. In addition, the screw curves to be transferred are divided into individual segments, which can be unambiguously characterized by their curve course and allow a particularly favorable reduction of the data. overfOras.
    The data processed on this was transferred to the radio module 8 and transmitted from it via the wireless communication channel 6 to the evaluation module 2. The transmission of processing data and the corresponding processing parameters preferably takes place via a wireless radio connection 6, such as Bluetooth or WLAN 4 and to the communication device. which data (sands) to a central evaluation module 2, which is preferably connected to the communication device 4 (Accesspoint) via a wired line 7, such as a LAN line.
    By means of this communication device 4, the radio module 8 has the screw spindle module 3 provides a radio connection 6, Mr all true data describing a step of a screw curve from the screw spindle module 3 to the evaluation module 2. In the evaluation module 2 the true signal from the radio module 8 is forwarded to a processing (not shown). and storage device. This preferably comprises a sufficiently high performance (not shown) microprocessor which can recalculate the screw curves from the Overford data.
    Firstly, the radio link 6 is designed to be bidirectional, so that the radio module 8 can receive a feedback via this radio link 6 over a successful transmission.
    The calculation of the additional data from the screw curve takes place on the screw spindle module side. In the screw spindle module 3, the electric motor 10 is controlled from a control device 9 corresponding to the predetermined (stored, but possibly changeable) values. As well as the screw spindle module-side communication device 8 and processing resp. the control device 9 is supplied with energy from an accumulator 5. The less energy consumed for other processes, the more is available to the electric motor.
    The completed Transfer and details of the true screw curve can be displayed on a display unit 11, such as a display 11. The display 11 is preferably an energy-efficient display, which can also be used to display extremely important data for the screw process. Via this display device 11, for example, operating parameters can be measured, such as the speed of the electric motor 10, which are visualized immediately acting on the speed of the working head 13 and the working head 13 in the angle head 12, respectively. the machining component 13, which is driven by the electric motor 10, is visualized. For example, the remaining capacity of the accumulator 5, the screw fastening used, the current torque and other data can also be displayed.
    Frequently used parameters for a screw course are screw-spindle module sides stored in a memory. This memory is a component of a memory device 14 in which data sets can be saved and from which memory device the previously discarded data sets Ater can be retrieved.
    By means of the input device 15, program data resp. processing data is entered and 61 / errOras to the control device 9. Modifications of already stored gland parameters are also possible (possibly after approval by the user). Un / alet of template parameter sets is done manually via the display, per scanner by scanning the ID of the template parameter datasets or via a Parent Control Unit. Input of data resp, the input data is presented to the user via the display device 11. A complete screw process which is defined by torque / angle resp. torque / time saving as template parameter set is preferably not defeated. The control of the template parameter contained is very cumbersome, technically black feasible and requires additional accumulator power. 11 To determine the current position of the rotor, for example, a first feed device 16, such as an angle sensor resp. rotary sensor 16 arranged on the sail at the electric motor 10 resp. associated with this, preferably via suitable sensors, the angle of rotation of the rotor and / or the angle of rotation of the shaft of the electric motor driven by the rotor can be registered resp. is controlled and its change relative to a stationary part is determined resp. controlled. This value can, for example, be used as the output value for calculating the screw curve.
    Between the electric motor 10 and a second feed device 23 a transmission 22 is interconnected, by means of which movements resp. torque acting on the shaft can be changed, so that the screw spindle module 3 illustrated in Fig. 1 can, for example, screw a screw into a workpiece and also unscrew it therefrom.
    A drive electronics 18 arranged at the accumulator 5 that it is supplied with electrical energy from the accumulator controls and regulates the operation of the electric motor 10 for driving the working head 13 in dependence on the parameters prescribed by the frail control device 9. If, for example, a certain torque is required from the control device 9 for a certain step, the power supply has the electric motor corresponding to this regulation by means of the drive electronics 18.
    The transmission of control data is preferably wired via a two-wire line 19 resp. line 19 between the control device 9 and the drive electronics 18 resp. The accumulator 5. Preferably, this line is also lamped to supply electrical energy from the accumulator 5 to the control device 9.1. Accordingly, the first two-part line 19 has a data line for transmitting data and / or signals from the control device 9 to the power electronics line 18 and a power electronics line 18. Transfer of electrical energy from the accumulator to the control device 9. A further preferably preferably wired second preferably two-part line 20 resp. incoming line 20 is located between the drive electronics 18 resp. the accumulator 5 and the electric motor 10 resp. angle sensor 16, to control resp. regulate the electric motor 10 corresponding to the processing data contained in the control device 9 and supply it (the electric motor) and the angle sensor 16 with electrical energy from the accumulator 5.
    Between a second feeding device 23 and the control device 9 there is preferably also a preferably wired cable connection 24 and 24, respectively. a data line 24, by means of which data and / or signals can be exchanged between these components. As a result, the second feeding device 23 can, in a substantially substantial continuous manner, sand the food data registered by the feeding device resp. registered IST processing parameters to the control device 9, which balances these preferably by means of an integrated comparison device (not shown) with the template processing parameters stored in the preferably integrated device (not shown), in order to re-regulate the movement of, for example, by a new installation of the speed.
    The individual devices, such as the control device 9, the display device 11, the input device 15, the radio device 8 resp. the radio module 8, the first 16 and the second supply device 23, the drive electronics 18, the electric motor 10 and / or the transmission 22 are supplied with electrical energy respectively. striim from the accumulator 5, fOr aft fulfill its functions resp. utratta sift work. Therefore, the devices individually listed above are connected to the accumulator 5 via electrical power lines (not shown).
    The entire control and the controlled drive are surrounded by a housing 21, which protects them from soiling and contamination resp. injuries. In Fig. 2, an example screw curve 40 is shown in a coordinate system. This depicts the torque on the axis of the ordinate. The unit in which the torque is specified is dangerously a commonly used one, such as Nm. In this example, a time-dependent component is required on the abscissa. This can be, for example, the time after the start of the screw process. However, there is also, for example, the angle guard, a reading rate or other majestic. Furthermore, it is illustrated, for example, how the screw curve 40 shown can be divided into individual steps. Possible separations are possible at the positions marked by vertically dashed lines. Furthermore, it is possible to divide the individual steps into smaller segments by introducing additional dividing lines 41. For example, sharing may be advantageous if one step is very long and the microprocessor in the evaluation module 2 needs a lot of rank time for all calculated or value pairs in this step. These steps can be described by simple mathematical formulas, so that all value pairs of the steps can be recalculated by passing a few parameters. In this case, not only linear step paths are majestic, but also (not shown) strong curve paths. However, it is a prerequisite that each step itself is continuous so that it can be described by a single mathematical form !. Far linear steps are, for example, the transfer of data, which describes the rise and duration. Fig. 3 shows a schematic course of the calculation of data, their transfer and recalculation. The determined data which characterizes the screw curve is recalculated in the screw spindle module 3 and prepared for Transfer to the evaluation module 2. In the example shown, the screw curve consists of a number of n points, which can be drawn as Sample_0-Sample_n-1. Each of these points of the screw curve is characterized by a moment M_n and a time t_n. Each of these torque-time pairs has a certain size. For example, each of these pairs may have a size of 8 bytes. For Overfaring of this amount of data, a certain bandwidth is required and must use a corresponding energy for the Overfaring. 14 In order to reduce the amount of data to be transmitted, it is advantageous to compress the data already in the screw spindle module 3. In the example shown, this compression consists of a start time (t_start t_0) and an unloading rate (Sample Rate t_s) as well as the number of value pairs (number of Samples n) is determined for Transfer of the screw curve. Each of these data packets again has a size which, however, is smaller than the size of the data set of torque-time pairs. For example, after data packets for start time, unloading rate and number of value pairs may, for example, comprise 4 bytes.
    The data volume RN- the data to be transmitted and / or the calculated curve can, however, once again be reduced by compression with a compression tool such as Zip.
    Excluding these three constant values for the entire screw curve, additional values are given per data point, in order to be able to reconstruct the screw curve. However, DartiII is an individual value per data point sufficient. This value calculated for each data point (Sample_n) (M_n) in turn has a magnitude which is similarly smaller than the magnitude of the data set of the torque-time pairs. But the size of these data packets can, for example, be stated as 4 Bytes. Accordingly, apart from the amount of data required for start-up time, unloading rate and number of value pairs, a reduction in the amount of data for each point of the screw curve is possible. In the mentioned example, the amount of data per point of the screw curve can, for example, be halved. Ddrur results aft (at the same amount of data for start time, unloading rate and number of value pairs and each individually calculated value per screw curve point (M_n)) of eg 4 bytes already with a screw curve consisting of four value pairs (4 x 2 x 4 = 32 bytes) can a reduction of the amount of data to 3 x 4 + 4 x 4 = 28 bytes) is obtained.
    After calculating the compressed data, this is transferred from the screw spindle module 3 to the evaluation module 2. By reducing the amount of data, the duration and thus the energy consumption for the transfer at the same bandwidth can be reduced.
    In the evaluation module 2, after receiving the data, the recalculation of the screw curve resp. the value pair that characterizes this screw curve. Since t_O and the unloading rate are known (and constant over the entire screw curve), each of the transmitted data points M_n can be coordinated with the corresponding t_n value. Thus, by this method, a complete reconstruction (recalculation of the screw curve from the compressed data) is possible in the evaluation module 2.
    The applicant claims all the features shown in the application documents as essential to the invention insofar as they are individually or in combination new in relation to the state of the art. 16 List of male designations Screw system Control module 3. Screw spindle module Communication device Accumulator Communication channel Wired cable 8. Radio module Machining resp. control device Electric motor Display unit Angle head 13. Working head Storage device Input device Feed device resp. angle emitter 18. Power electronics 19. Two-wire cable Cable Housing Transmission Second power supply 24. Wired connection resp. data line Screw curve Dividing lines 17
    权利要求:
    Claims (11)
    [1]
    A method for using an accumulator-driven screw system (1) which is suitable for establishing screw connections by means of a motor-driven working spindle, the accumulator-driven screw system (1) having communication devices (4, 8) for wireless data transfer of data, between a screw-spindle mode and an evaluation module (2) for defining screw curves (40) describing a screw sequence, characterized in that the determined data characterizing the screw curve in a screw sequence is converted with the screw spindle module (3) to at least two quantities characteristic of the screw curve (40), to wirelessly transmit these quantities to the evaluation module (2) with the communication devices (4, 8), the screw curve (40) being divided into individual steps and for each step at least two characteristic quantities are transmitted.
    [2]
    Method according to claim 1, characterized in that for each step the characteristic values for start angle and start time, or start angle and unloading rate are transmitted.
    [3]
    Method according to claim 1 or 2, characterized in that the evaluation module (2) recalculates the screw curve (40) for the screw course from the excess quantities.
    [4]
    Method according to any one of the preceding claims, characterized in that the wireless transmission of data between the communication devices (4, 8) is interrupted after a challenging transmission of data to define a screw curve (40), whereby the energy consumption of the communication device for transmitting the necessary data for definition of a screw curve (40) is reduced.
    [5]
    Method according to any one of the preceding claims, characterized in that torque / angle and / or torque / time value pairs of a screw curve (40) within 18 one step are calculated with unchanged speeds and unloading rate Than wireless overlord data for start angle and start time.
    [6]
    Method according to any one of the preceding claims, characterized in that the amount of data to be transmitted to the evaluation module is reduced by compression so that at the same bandwidth the time for transferring data required in the evaluation module (2) for calculating torque / angle and / or torque / time-value pairs that characterize the screw curve (40) shorter than the time for transmitting torque / angle and / or torque / time-value pairs.
    [7]
    Accumulator-driven screw system (1) suitable for establishing screw connections by means of a motor-driven working spindle, wherein the accumulator-driven screw system (1) has communication devices (4, 8) for a wireless data transfer, between a screw-spindle module (3) and an evaluation module (2). , of data for the definition of screw curves (40) describing a screw process, characterized in that the screw spindle module (3) is designed for reshaping data determined at a screw process, which characterize a screw curve (40) in at least two quantities characteristic of the screw curve. (40), to wirelessly transfer these quantities to the evaluation module (2) with the communication devices (4, 8) and to divide the screw curve (40) into individual steps, in order to transfer at least two characteristic quantities for each step.
    [8]
    Accumulator-driven screw system according to claim 7, characterized in that the wireless data transfer between the communication devices (4, 8) is bidirectional.
    [9]
    Accumulator-driven screw system according to one of Claims 7 to 8, characterized in that the individual steps can be defined by starting angle and starting time, or starting angle and unloading rate. 19
    [10]
    Accumulator-driven screw system according to one of Claims 7 to 9, characterized in that the evaluation module (2) has a device (9) by means of which the individual steps of a screw curve and / or the predetermined screw curve can be calculated from the quantities sonn Transferred to the evaluation module.
    [11]
    Accumulator driven screw system according to any one of claims 7-10, characterized in that the constant and characteristic data provided by the screw spindle module for the wireless data transfer and for the individual steps of a screw curve comprises the value of a starting angle, a speed and a reading rate. 12 1/2 23 22 16 3 18 IN13
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    同族专利:
    公开号 | 公开日
    SE1151284A1|2012-06-30|
    US20120168189A1|2012-07-05|
    DE102011122212A1|2012-07-05|
    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102010056525|2010-12-29|
    DE102011122212A|DE102011122212A1|2010-12-29|2011-12-27|Battery-operated screwdriving system with reduced radio-transmitted data volume|
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