Specifications
a.Zhuzhou Mingri has the richest molds stock of cold forging mouldb.The most advanced tooling house
c,The largest capacity
Zhuzhou Mingri Cemented Carbide Co., Ltd has lead the manufactuer of cemented carbide cold forging mould since 2003.
- Our advantage is as follows:
- Zhuzhou Mingri has the richest molds stock of cold forging dies
- 10 years of stable relationship with our customers
- The most advanced tooling house
- The largest production capacity and fastest delivery
- The most reliable testing machines for all specifications
- The best and reliable after service
1.The production process
a.RTP powder
Soon after the order is confirmed, our production will start to prepare the RTP powder as per customer’s requirement with our wet-grinding machine as follows:
b.Press
After the PTP powder is well prepared, it will be put into pressing as the processing art.
c.Sintering
10 sets of HIP sintering in the factory ensures the best quality and production capacity.
d. Grinding processing
The goods can be ground according to customers’ order to a tolerance of +/-0.05
e.sandblast or coating
The final processing is sandblasting or coating upon your request. These will make the products look more beautiful.
2. How to choose the suitable grade( grade information)
As cold forging dies can be widely used in all industry, several grades are designed to perfectly meet all needs.
Grade | Performance & application recommended | |||
Density | T.R.S | Hardness | ||
g/cm3 | MPα | HRA | ||
A | 13.5 | 3000 | 83.5 | Good wea ristance and high bending strength. Primariy for nut forming dies and high impact resistance forging dies. |
YM11 | 14.4 | 2420 | 88.5 | Forming or stamping dies for metal powders and nonmetal powders. |
YM15 | 14.0 | 2500 | 87.5 | For fabricating drawing dies of stain tubes and rods under High compressibility ratio;punching,stamping ,froging tools under large stress. |
YM20 | 13.5 | 2800 | 85.5 | For fabricating of stamping dies for watch parts, spring plates of musical instruments, batters jars, small sized steel balls, screws, screw caps. |
ML32 | 13.9 | 2750 | 85.5 | Impact resistance forging dies |
ML35 | 13.7 | 2800 | 84.5 | Impact resistance forging dies, hot-press forging dies and rollers. |
ML40 | 13.5 | 2850 | 83.5 | Dies for resistant or impact resistant application. |
ML50 | 13.3 | 2900 | 83.0 | Nut forming dies and high impact resistance forging dies. |
ML60 | 13.1 | 2950 | 82.5 | Stainless bolt header dies and rollers. |
ML90 | 13.3 | 3200 | 82.0 | Screw cap forming dies with high impact resistance ( Highest impact resistance forging dies). |
Other grades may be offered by customers' requirements | ||||
3. packing and delivery
The cargo can be packed with internal paper boxes and then external cartons or metal buckets. The packing can also be customersized.
4. Good comments from all over the world.
Zhuzhou Mingri cold forging die in China is they are widely used in industries of standard screw and bolt parts, auto accessories, aerospace , batteries and
military.
To guarantee the superiority and stability of the products’ quality, Mingri uses advanced techniques such as pressure,sintering and ultrasonic to ensure zero defects.
“Rixin” Brand cold heading and punching dies have for years won an excellent reputation from the customers and they have been sold to overseas markets and the brand is quite influential in domestic and overseas markets.
5. after service
Mingri promises to provide better products and better services then expected.
If by any case the products does not good enough as agreed in the contract, Mingri is willing to recall the cargo and suffer the transportation cost alone.
You are warmly welcomed to contact Kiki for more information.
Skype: kiki_jiang88
Tel: +0086-731-22778506
