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Shandong Jining Qingfeng Machinery Hardware Co.,Ltd

Add: NO.47 Jinyu Road, Jining, Shandong

Contact: Qin Wang

Tel: +86-537-3281595

Fax: +86-537-3281597

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E-mail:info@qfmh.com

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SK ER Collet Chuck

NT ER Collet Chuck Brief introduction SK Collet Chuck Tool Holder, DIN6499 collet clamping tool holder of various sizes , high speed and high precision machining .Mechanical spindle and cutting tools and other accessories.High Precision SK shank Tool Holder ,balanced G6.3 or G2.5 For choose.

Function

NT ER Collet Chuck

Brief introduction
SK Collet Chuck Tool Holder, DIN6499 collet clamping tool holder of various sizes , high speed and high precision machining .Mechanical spindle and cutting tools and other accessories.High Precision SK shank Tool Holder ,balanced G6.3 or G2.5 For choose.
SK Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly SK30 SK40 SK50... Etc.. Mold industry, and high-speed engraving machine, used more.


Specifications
I - Material:
High quality carburizing alloy steel;
Central tensile strength 1000N/mm2 Min.;
Surface hardness HRC 60+/-2(HV 700+/-50);
Hardness penetration 0.8+/-0.2mm;
II - Tolerance Criteria
Dynamic balance(default): G6.3 12,000 rpm;
Dynamic balance(customized): G2.5 25,000 rpm;
Run-out tolerance: 0.003mm Max.
Cone angle tolerance: AT3
Cone surface roughness: Ra 0.005 Max. 

图片14.jpg

 
The Application of Advanced Technology in NC Tool Holder
1. High-frequency pulse surface treatment
The handle surface after finishing, resulting in cooling and hardening, surface hardness increased by 2-5 HRC
The surface of the handle completely eliminates the residual internal stress, abrasion resistance is significantly improved, the service life of more than 4 times
Shank surface finish up to Ra0.05 or more, the outer cone and the spindle and the inner cone with the collet to match the parts closer, more stable and reliable accuracy
2. Polishing process
Shank surface roughness to reduce the elimination of minor scratches and surface defects, to obtain smooth smooth mirror effect
The small burrs of the shank are removed and the outer surface threads are smoother
Shank more bright surface, smooth, the overall effect to the mirror
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Shandong Jining Qingfeng Machinery Hardware Co.,Ltd

Address: NO.47 Jinyu Road, Jining, Shandong

Tel: +86-537-3281595

Fax: +86-537-3281597

E-mail: info@qfmh.com

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