We have established a one-stop closed-loop production line from raw material processing to finished product inspection. Each stage is equipped with advanced equipment and highly efficient connections, enabling large-scale and flexible production of various types of fixtures. The core production stages are as follows:
Precision Blanking and Pre-treatment:
Equipped with CNC plasma cutting machines, laser cutting machines, and sawing machines, we perform precise blanking of plates and bars of different materials such as 45 steel, Cr12MoV, and 60Si2Mn, with a blanking accuracy controlled within ±0.05mm. Simultaneously, we provide pre-treatment stations such as sandblasting, shot blasting, and degreasing to remove oxide scale and oil stains from the material surface, laying the foundation for subsequent processing and surface treatment.
High-Precision Machining:
The core machining stage is equipped with multiple CNC machining centers, CNC lathes, milling machines, grinding machines, and drilling machines, supporting the precision machining of complex fixture structures (such as chuck jaws, locating pins, and clamping devices). The CNC machining center boasts a positioning accuracy of ±0.005mm, enabling efficient milling of three-dimensional curved surfaces and irregularly shaped structures. The CNC grinding machine achieves mirror-finish machining of critical contact surfaces of fixtures, with a surface roughness Ra≤0.8μm, ensuring clamping and positioning stability.
Professional Surface Treatment Processes:
A diverse range of surface treatment production lines are available to meet various working conditions, including quenching, nitriding, blackening, zinc plating, chrome plating, and PVD coating. For example, vacuum quenching is used on wear-resistant components such as chuck jaws, increasing the hardness to HRC58-62 and extending service life. Environmentally friendly zinc plating is used on fixtures requiring rust prevention, achieving a salt spray test rating of over 72 hours, suitable for harsh workshop environments such as humid and dusty conditions.
Integrated Assembly and Debugging:
A dedicated assembly workshop is established, equipped with specialized tools such as torque wrenches, concentricity testers, and coordinate measuring machines (CMMs). Experienced assembly technicians assemble the fixtures according to drawings. Simultaneously, offline debugging is conducted to simulate actual customer working conditions and verify the fixture's clamping accuracy, repeatability (≤0.01mm), and ease of operation, ensuring rapid deployment after delivery.
Comprehensive Quality Inspection:
A comprehensive inspection system is established from incoming materials to outgoing products. In the incoming material stage, raw materials are tested for material properties using a spectrometer and hardness tester. During processing, online sampling inspections are conducted using dial indicators and micrometers. In the finished product stage, full-dimensional inspection is carried out using equipment such as coordinate measuring machines and image measuring instruments, and detailed inspection reports are issued to prevent unqualified products from leaving the factory.
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