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2024-02-18 12:59
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Company Profile
Taizhou Huangyan JMJT Mould Co., LtdBy certification [File Integrity]
Contact:jiutai(Mr.)
Email:
Telephone:
Phone:
Area:Zhejiang
Address:Zhejiang
Website:http://www.jiutaimould.net/ http://jiutai.china-prop.com/
Principles of SMC mold design:
The SMC molding process is an advanced composite material molding method, and the mold is the basis of the SMC process. Good product quality is guaranteed by a reliable mold. Therefore, the design of the mold is particularly important in the design of the SMC molding process.
In the design process of SMC molding tools, the cavity of the mold should be designed according to the specific size of the product. In addition, appropriate materials must be selected according to the surface quality requirements and the size of the demand. In order to ensure product quality and process feasibility, the cutting edge, ejection system, heating method, surface treatment, etc. of the mold should be designed reasonably.
1. The design of the parting surface is very important. The parting design of the product should be carried out at the initial stage of the mold design, and the parting design drawing should be drawn to ensure that the product can be demolded smoothly and is easy to produce;
2. According to the actual product surface requirements, the corresponding mold surface processing accuracy is proposed;
3. When designing SMC products, their inner and outer surfaces should have sufficient demolding inclination along the demolding direction;
4. Round corner design;
5. Determination of heating method;
6. Choice of surface treatment;
7. Design requirements for ejector rods;
8. Thickness of ejector board;
9. Mould heating hole distribution;
10. The addition of reverse push rod and the consideration of thickness;
11. Side-drawing mechanism, when the side of the product has holes or convex and concave sides, a side-shaped core must be used to meet the requirements of the product;
12. Mold ejection method.
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SMC series molding compound
performance index:
Indicator name |
unit |
Index value ≥ |
||
4341 SMC-1 |
4343 SMC-2 |
4331 SMC-3 |
||
density |
g/cm3 |
1.75-1.95 |
||
Water absorption |
mg |
≤20 |
||
Mold shrinkage |
% |
≤0.15 |
≤0.30 |
|
Heat distortion temperature (A method) |
℃ |
≥240 |
≥220 |
|
Impact strength (simple bracket, no gap) |
KJ/M2 |
≥90 |
≥60 |
≥45 |
Bending strength |
MPa |
≥170 |
≥150 |
≥135 |
Insulation resistance |
normal |
п |
≥1.0*1013 |
1.0*1012 |
After soaking in water for 24h |
≥1.0*1012 | |||
Electric strength (in transformer oil at 90℃) |
MV/m |
≥12.0 |
≥10.0 |
|
Dielectric loss factor (1MHz) |
- |
≤0.015 |
- |
|
Relative permittivity (1MHz) |
- |
≤4.8 |
- |
|
Arc resistance |
S |
≥180 |
≥150 |
|
Tracking Resistance Index(PTI) |
V |
≥600 |
||
Combustibility |
class |
FVO |
- |
|
Long-term heat resistance temperature index |
- |
155 |
130 |
About our company:
Taizhou Huangyan Jiutai Mould Co., Ltd. is a manufacturer specializing in the production of SMC moulds, BMC moulds and GMT moulds.
Jiutai Mould is located in Huangyan District, Taizhou City, Zhejiang Province. The specific location is No.168, Hequ Road, Chengjiang Street, Huangyan, Taizhou City, Zhejiang Province. The company adheres to market demand as the guidance, technological innovation as the driving force, in line with the "people-oriented, quality as life" corporate policy and "high quality, reliability, truth-seeking, innovation" service philosophy, and strive to become the industry's leading mold manufacturer .
FAQ:
Q: Does your company manufacture molds internally?
A: Yes, we have our own mold workshop.
Q: What kind of molds can you make?
A: We can make a variety of molds, such as injection molds, stamping molds and die-casting molds.
http://www.jiutaimould.net/
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