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SANMEN TONSHUN RIVET CO.,LTD specialises in the manufacture of cold-formed components for use in the commercial and automotive markets world-wide.Forned in 1986,TSMD manufacture solid rivets,semi tubular rivets, fully tubular rivets, self piercing rivets and wide range of customer specific fasteners. Being an ISO/TS16949-2009 accredited corporation since March 2008 till then, successfully achieved IS14000 approval on 2010.
TSMD main products: Clutch facing rivet, Solid rivet, Stop pin, Balance rivet, Set rivet and brake lining rivet. in diameters ranging from 3mm to 15mm  and lengths from 4mm  to 150mm depending on the material required, Most of our products are OEM base to the largest clutches manufacturers national wide(such as Vaelo and Sachs and Eaton and LuK), besides, exporting to Europe, America, Africa, South east Asia and Middle east as well.


Process flow:


1/ Raw material Heat treatment 
A complete supplier selected and quality traceability system .All material are purchased from the famous manufacturers, such as: Baosteel and Anshan iron & Steel.We do all material in spheroidizing process. 350-kilowatt spheroidizing furnace able and capable handling 300 tons heat treatment material monthly; 4 wire drawing machines, size servicing range from 2mm to 22mm up to 850 ton/monthly. 





 
 

2/Cold heading
We had used the importinglatest cold-heading equipment and numerical control machine fromTAIWANin production. 16 units of 6 die & 6 blow cold heading machine, applicablefor full tubular rivet or complicated parts, 15 units 2&4 machine,1 unit4& 4 machine, 8 units 1&2 machine, 2 unit 3 & 6 machine.During the productionprocess:Each product has process FMEA analysis; At each workstation haveworking Instructions and following the produciton to control plan; Strictlyprocess checking: Inspection instructions for initial and final samples andprocess inspection instructions (operation self checking per 15 munite, QCprocess checking 1 hour per time.); 

3/ Heat treatment
Three sets of 10-meters belt heat treatment furnace,we can do annealing,carburizing and quenching process.
13 automatic Hight frequency production line.

 


 


4/ Sorting machine
Strictly unqualifiedmanagement procedure;Combinedwith digital detection system, to supply the host market products with 100%checked, ensuring perfect quality and consistency of the product. OpticalSorting Machines, we have 5sets now.Sorting for facing rivet,stopper rivet, hubrivet and set rivet etc., sorting: dimensions defect, burrs, damage and othersrejects)

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