CNC machine tool online measuring system

1. The composition and function of CNC-OMS online measurement system CNC-OMS consists of TP6C/6CB infrared communication type 3D probe, SRA signal receiver, SCA system controller and special measurement program software package for machining center and CNC Milling machines, turning centers, CNC lathes and flexible manufacturing systems can perform on-line measurement in the whole process of production. It is suitable for single-piece and small-batch production processes, and is more suitable for ensuring processing quality and improving production efficiency in high-volume production. It is one of the important components of modern advanced manufacturing technology.
2. Introduction of TP6C probe  The TP6C probe is a three-dimensional probe dedicated to the CNC-OMS system. The probe can transmit the trigger signal in infrared light encoding for the dedicated receiver SRA. At the same time, the probe itself can The sound and light signals are given to the operator, so the probe can also be used like the TP6B probe.
 The company has created a special technology that can effectively reduce the change of the triggering force of the triggering probe, which can greatly reduce the trigger position error and improve the accuracy of the triggering probe. The probe model with this function is: “TP6CB”.
 The internal circuit of the TP6C probe has a time-delayed sleep function, so power consumption can be reduced. There is a special switch inside the probe. Before the probe is working, the probe should be rotated on the spindle of the machine for 1-2 seconds to start the circuit.
 The TP6C probe has a built-in 300mAh Ni-MH rechargeable battery as a power supply with a dedicated charger. When the power is full, the probe can work continuously (ie trigger state) for 7.5 hours.
 The TP6C probe has a power supply voltage self-test function. When the internal voltage of the probe is close to the lowest value of the working voltage, the probe itself flashes through the yellow light.
3. TP6C probe accuracy  TP6CB probe triggers the trigger position error caused by the change of the opening force: 0.003 ~ 0.005 (MM), this error can also be corrected by compensation.
 The other precision indexes of the TP6C probe are exactly the same as those of the EP/TP series probe.
The structure and model composition of the TP6C probe are basically the same as those of the EP/TP probe. Users can order it by reference.
4. Function introduction of signal receiver SRA  SRA is a special device for receiving infrared light signal from TP6C hair measurement. It communicates with TP6C probe with special infrared coded signal, which has good anti-interference ability.
 The signal received by the SRA is transmitted to the system controller SCA through the cable.
 SRA uses a specially designed universal joint bracket, which makes it easy to install in the proper position of the machine.
5. System controller SCA function introduction  System controller SCA is the control part of CNC-OMS system and CNC machine tool CNC system connection, SCA adopts 100-240V/AC external power supply. On the back of the SCA chassis, there is a power switch, a power socket, a communication cable interface between the SCA and the SRA, and the numerical control system CNC of the machine tool; the front of the chassis is provided with display signals indicating various states of the CNC-OMS system.
 When the TP6C probe is triggered, the SCA receives the probe trigger signal from the SRA through the cable, and converts the signal into a 24V/DC high-level signal to be sent to the CNC system of the machine tool through the cable, and at the same time, the light signal on the front panel Works with its internal buzzer.
6. Special measurement program software package function introduction In order to improve the efficiency of the application of CNC-OMS system, the company can provide users with a software package consisting of standard measurement macro programs of common basic measurement elements. Users can quickly complete the preparation of special measurement programs by combining relevant standard measurement procedures according to specific measurement requirements.

Standard measurement software includes the following measurement functions:
Probe calibration cycle Function introduction: The probe is first calibrated, which is a necessary condition to ensure measurement accuracy.
The software provides eccentric calibration, diameter calibration, length calibration, and vector radius calibration.
Probe protection positioning movement Function introduction: When the probe moves, if the trigger occurs, the automatic control movement stops to prevent the probe from being damaged.
Introduction of inner hole/outer circle measurement function: This program is used to measure the center coordinate and diameter of the inner and outer circle. The center coordinate can be used to automatically set the workpiece coordinate system. If the circle being measured is processed by circular interpolation. The tool offset can be corrected based on the measurement of its diameter. In addition, diameter measurements can be used to monitor dimensional tolerances.
Introduction of boss and groove size and position measurement function: This program is used to measure the center coordinate and width of the boss and groove. The center coordinate can be used to automatically set the workpiece coordinate system of the machine. The width measurement value can be used. To monitor the size of the tolerance, correct the tool offset and so on.
Single plane position measurement
Function introduction: This program is used to measure the coordinate value of X or Y or Z to a single plane. The measured coordinate values ​​are usually used to automatically set the machine workpiece coordinate system, but can also be used to determine whether the size is out of tolerance. If the plane is machined by interpolation using the tool offset, the tool radius or length compensation amount can be automatically corrected based on the measurement result.
Inside and outside corner measurement Function introduction: This cycle is used to measure the vertex coordinates of the corner or outer corner of the straight angle. The measured coordinate value is used to automatically set the workpiece coordinate system of the machine tool.
How to use: Before calling the measurement program, first position the probe to the starting position. Then the measurement program is called to start the measurement. After the end of the cycle, the probe automatically returns to the starting position.
Fourth axis measurement (X direction or Y direction)
Function introduction: This program is used to measure the angle between the reference plane of the workpiece and the machine coordinate axis (X direction or Y direction), and automatically set the coordinate zero point of the fourth axis of the machine. When the fourth axis coordinate is zero, the reference plane is parallel to the coordinate axis.
XY plane angle measurement Function introduction: The program measures the X-axis or Y-axis direction of two points on a certain surface of the workpiece to obtain the angle between the surface and the X+ direction, which provides assistance for subsequent clamping and processing.
Three points inside and outside circle measurement
Function introduction: This program calculates the center coordinates and diameter of the inner hole/outer circle through three points measurement. The measured center coordinates can be used to automatically set the coordinate system of the machine. The measured diameter value can be used to determine if the size is out of tolerance. For example, the inner hole or the outer circle is processed by circular interpolation using the tool radius compensation, and the radius compensation amount of the tool can also be automatically corrected according to the measured diameter.
Hole center distance measurement Function introduction: This program is used to measure the hole center distance of two inner holes to help the workpiece processing.
The above is the introduction of the workpiece probe system software. The above functions can be combined with each other to make complex measurements. For example, after purchasing our online measurement system, our company will go to the site for installation and debugging, and provide training. The probe will be provided with hardware and software. Detailed description.
Our company can develop special measurement software according to the special requirements of users.
The standard machining center uses the workpiece measurement software for the CNC system:
FANUC CNC system:
Milling machines: 0M, 6M, 15M, 16M, 18M, 21M, 0-MD II, 0i-MA, 0i-MB, 0i-Mate Model B, 16i, 18i, 21i.
Lathe: Power mate 0, 0-TD II, 0i-TA, 0i-TB, 0i-Mate Model B, 16i, 18i, 21i.
Siemens CNC system: 810D, 840D (the system part before the 810D can be).
Mitsubishi CNC system: MELDAS series products.
Haas CNC system, HEIDENHAIN CNC system, Huazhong CNC and other systems.

　　　　　　　　　　　　　

The OMS-50/51 online measuring system is a probe system specially designed for workpiece measurement on numerical control equipment such as CNC lathes and turning centers. The user installs such a probe system on the equipment, which can automatically detect the workpiece machining reference before the workpiece is processed, automatically detect and control the workpiece size during the machining process, and automatically measure the various dimensions of the workpiece after the machining is completed.
The OMS-50/51 online measurement system is beneficial to improve the production efficiency of CNC lathes, improve product quality control, reduce production costs, shorten manufacturing cycle and enhance the competitiveness of enterprises.
The composition of the OMS-50 system:
1. TP25 triggered communication probe
2. PST-T probe adapter module
3. SRM-R/L/B signal receiving module
4. SSM-X signal transmission module
5. APT-2 signal adapter
6. SPB standard measurement software
7. Cable LA05-08
8. Cable LB04-03
9. Supporting fixed components and tools
The composition of the OMS-51 system:
1. TP25 triggered communication probe
2. SRM-R/L/B signal receiving module
3. SSM-Z signal transmission module
4. APT-2 signal adapter
5. SPB standard measurement software
6. Cable LA05-08
7. Cable LB04-03
8. Supporting fixed components and tools
The difference between OMS-50/51 online measurement system models:
The OMS-50 online measuring system is suitable for the case where the TP25 type probe is required to be mounted in the X-axis direction of the workpiece (radial of the tool holder). This probe system is mainly used for measuring shaft type workpieces.
The OMS-51 online measuring system is suitable for the case where the TP25 type probe is required to be mounted in the X-axis direction of the workpiece (axial direction of the tool holder). This probe system is mainly used for measuring disk-type workpieces.
The function of the TP25 probe:
1. The stylus of the probe can be swung 15° in any direction and 5 mm inward.
2. The unidirectional reset error of the stylus is not more than 0.001~0.002 mm.
3. The probe has a double shield to achieve IP68 protection.
4. The probe transmits the probe trigger signal via a dedicated interface.
The function of SPB standard measurement software:
1. The mounting error of the ball of the TP25 probe and the spindle axis of the lathe can be calibrated and compensated by the measurement of the standard sample.
2. The systematic error of the TP25 touch probe can be determined during the calibration process and compensated during the actual measurement.
3. During the execution of the measurement program, the system has a mobile protection function for the probe to ensure the safety of the probe and the machine.
4. The length (axial) dimension of the workpiece can be measured automatically.
5. The diameter or radius dimension of the workpiece can be measured automatically.
6. Machining accuracy control can be realized by machining accuracy error alarm.
7. The tool deviation is automatically corrected.

Technical parameters of OMS-50/51 online measuring system:
1. Technical parameters of TP25 probe stylus axial retraction stroke: 5.0 (mm) stylus radial swing amplitude: 15 °
One-way reset accuracy of stylus: 0.001 (mm) Ball diameter: 4.0 (mm)
Stylus Radial Trigger Force: 35~70(g) Stylus Axial Trigger Force: 300(g)
2. Other technical parameters
The maximum distance between the SSM module and the SRM module is: 2.5 (mm)
The maximum concentricity deviation between the SSM module and the SRM module is: 1.0 (mm)
The maximum concentricity deviation between the SSM module and the SRM module is: ± 5°
The maximum length of the signal cable LA05 between the SRM module and the APT-2 is 15 meters.
3. Protection level probe protection level: IP68
The protection level of the SSM module, SRM module and PST-T module is: IP67
The protection level of the APT-2 signal adapter is: IP66
4. System working environment
Input voltage of APT-2 signal adapter: 24±10% V DC
Maximum input current of APT-2 signal adapter: 80mA
System working environment temperature: +5~+40°C
Order: 2 sets of OMS-50 online measuring system,
Machine tool numerical control system: FANUC 0i, signal receiving module model: SRM-B (rear wiring) The length of signal cable LA05 is: 10m SSM module and PST-T module size requirements are shown in the picture order: OMS-51 online measurement System 5 sets, machine tool numerical control system: Siemens 810 D signal receiving module model: SRM-R (right side wiring) signal cable LA05 length: 8 m SSM module and PST-T module size requirements see the picture

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