TJTENG
Detailed Description
(Inner Ring) PCD & VC Common Measuring Device is a comparative measurement jig configured to continuously check PCD and VC control parameters of inner ring components on a single device.
PCD refers to the circular array of holes or reference positions. Any deviation can lead to poor fastening during assembly, misalignment, eccentricity, and increased runout during post-processing. VC is a control dimension specified on drawings for functional reasons. It often involves parameters directly related to assembly functions, such as height, step, depth, and position distance from the reference plane. Therefore, increased deviation can lead to interference, changes in clearance, changes in contact position, and deterioration in rotation quality.
The measurement principle is to establish a zero point based on a sample master and then read only the deviation. First, an approved (good) product is used as the sample master to establish the jig reference. Then, the gauges in both the PCD and VC measurement units are set to zero. Afterwards, the measurement target is positioned and fixed in the same position.
1) PCD Measurement
The PCD deviation is determined by reading the gauge displacement when the dedicated PCD contactor (pin/ball) contacts the PCD section.
2) VC Measurement
The VC deviation is determined by reading the gauge displacement when the dedicated VC contactor contacts the VC measurement section.
This complex inspection jig allows for continuous inspection of two items under a single positioning condition, reducing inspection time and facilitating defect screening and deviation trend management within the process.
This product applies the latest technology to provide high precision and reliability. It delivers stable performance even under demanding measurement conditions required in industrial environments, and features a user-friendly interface that anyone can easily use.
Key Features
- Continuously measuring PCD and VC on a single device reduces inspection travel and time, improving process efficiency.
- Zero-point setting based on the sample master ensures high inspection consistency and facilitates deviation trend management.
- Dedicated mounting pockets/guides ensure high inner ring position reproducibility, ensuring repeatability.
- Dedicated PCD and VC contacts enhance each judgment reliability.
- Basic tolerance standard (negotiable): ±0.003 mm
| Delivery schedule | 3 months from order |
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