12mm 10.3mm 12.7mm 16mm 20mm solid clear high precision Glass Ball

12mm 10.3mm 12.7mm 16mm 20mm solid clear high precision Glass Ball
1. Size:1-16mm(+-0.2mm) ,Raw material:Soda lime round glass balls
Tolerance: +/-0.01mm, +/-0.015mm, +/-0.02mm ,+/-0.05mm
Item
Performance/Ingredient
Value
1
SiO2
72%
2
Na2O
15%
3
CaO
9%
4
Specific gravity
2.6-2.8g/cm3Production Line :
Heading:
In the first step, heading machines cut wire into short lengths and form it into sphericalshapesbetween dies.
Deflashing:
The flash line, a ridge left by the forming dies, is removed as balls roll between heavy,castiron plates.
Soft Grinding:
Similar todeflashing, except that a grinding stone is used to improve precision.
Heat-treating:
Carbon steel balls are next carburized and hardened. Heat treatment impartsthe desiredhardness and case depth.
Descaling:
This step removes the residues and by-products from the heat-treating process.
Hard Grinding:
Slow, meticulous grinding assures proper sizing andsphericity, withtolerances as closeas ±.0001".
Lapping:
Several proprietary lapping processes can bring balls to the requirementsof ISO 3290 Grade10 - 48.
Finishing:
Proprietary chemical and mechanical processes give the balls their finalmicro-smoothedfinish, for increased wear resistance and product longevity.about us
Ningyang Xinxin Stainless Steel Ball Manufacture Co., Ltdis one of famous and professional stainless steel ball factory from china .
We have two professional factory to produce steel ball ,one is in Shandong province(5000 square meters),other one is in Henan province(10000 square meters ).
With over 20years history,our factory have good reputation from our customers and government,so our factory passedISO9001:2008and our products got SGS,RHOS Certificates .
We mainly produce stainless steel ball (201, 304, 316, 420,420C,440C,430). also produce chromesteel ball (AISI52100,100CR6,GCR15),carbon steel ball(1015,1010,1045,1085), copper brass balls, plastic ball,glass ball,Tungsten carbideball, flying saucer ball, polishing media ball,ceramic ball,Aluminum balland other kinds of materialball.
We have the ability to provide many kinds of steel ball, of which accuracy range is G10-G1000,size 0.4mm-50.8mm.The brand "XinXin" is trusted deeply by customers. Our products have been widely applied in the hardware goods form a complete set for the aviation and spaceflight industry, automobiles, sprayers, stainless steel bearings, and handicraft and precision instruments.
We have advanced production equipment and consummative instruments. We use perfect equipment to detect the roundness, libration size and the quality of the surface of steel balls.
Welcome to visit our factory and looking forwarder to cooperate with you !Quality test :
1. Ball chose by people
2. Ball select by machine
3. Ball test by Vernier calipe
4. check ball surface by magnifying glass
5. Ball test by three needle gauge
6. Ball test hardness by hardness testerCertifications
Our factory already get ISO and our products already passed SGS,FDA,ROHS certificate as below :Other products
Glass ball ,plastic ball ,Ballcone ,Brass ball,Ceramic ball
Package: 25kgs inbag with carton, 40cartons per palletContact us