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May 23, 2020

Ultra precision high speed CSK milling chuck-CNC machine accessories

Chongde have been in CNC machine accessories industry for 15 years. We are serving 0.005mm and 0.008mm high precision collets and 0.002mm precision BT/CAT/HSK/NMTB-ER/SK Tool Holders etc.


csk


Comprehensive inspection way of chuck


1. 7:24 taper precision ≤AT3 and part of the standard size are tested by Diebold standard inspection tools which made in Germany;

2. Surface of the clamping inner hole of grinding by high speed Inner-aperture grinder, and inspect by standard pneumatic measurement instrument; the big and contact area rate is above 90%;

3. Shank thread is inspected with 4h level thread ring gauge, and the nut is inspected with 4H level thread plug gauge, the quality is guaranteed;

4. Run out of the inside shank cone: ≤0.002 (The length of the shank 100L);

5. Coaxiality 5μ: Shank run out ≤0.002; Equip collet ≤0.005, the highest comprehensive run out point is no more than 0.005mm;

6. Dynamic balance: We can do G2.5 30000-50000rpm according to clients` demands.



The appearance of CSK high speed chuck: Nickel coating and polishing:


1. The roughness of surface has been reduced to improve the stability of the precision.

The bumpy surface get smooth after polishing, the pore, scratch and other flaw has been filled so as to improve the endurance.

2. The polishing process doesn`t influence precision.

The surface of the polished tool handle is treated with nickel-phosphorus plating. The thickness of the nickel layer is even and the chemical fluid spitting degree is almost 100%. This special coating can prevent the abnormal wear of the spindle and does not affect the accuracy of the product.

3. The endurance has been improved. The abrasion of nickel is strong. It has a good effects of anti-rust in different medium environment.

4. The appearance of tool holder is smooth and bright, feels comfortable.


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