FRP Grating Machine Molds
Each grating mould includes: Mold Cavity, Ejector pin de-molding system, Heating system and the base.
1) Mold Cavity: mold cavity is the core part of the whole mould;it is composed of faceplate, mould block and side close.
a. Faceplate: it is the most important part of the mould. The flatness and finish can decide the quality of the grating.
b. Blocks: the small blocks are made of 45# steel, and chrome finish.
c. Side close: The grating size can be changed by moving this part.
2) Ejector pin de-molding system:
composed of ejector pin, ejector pin cover and support frame.
a. Ejector pin:made of high quality alloy steel (hardness HRC52-53 under 500~600°C),it has good scurf resistance.
b. Ejector pin cover:it made of high quality alloy steel used for guiding the pins.
c. Support frame:I-Type frame is the fixing system for the ejector pins, it has excellent bearing capacity .
3) Heating system (interior heating):
The heating system is the essential system of grating molding. The polyester resin could be cured/hard after heating. This heating system is composed of electric heating tube and connecting system (which connects the inner heating system with exterior heating system)
4) The Base:welded by 16# Channel steel and other steel profiles.
The base guarantees the straight shape of finish grating and also keeps protection support for machine producing, transportation and installation
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Reference regular gating mould size：
Thickness (mm)
Max. Grating whole panel size（mm）
Center distance（mm）
Gap width（mm）
Grating thickness
Mould thickness
A1×A2
B1
B2
25.4
30
38.1
40
50.8
26.5
32
39
42
52
1007×2007
40×40
7
5
1007×3007
7
5
1007×4007
7
5
1220×3660
38.1×38.1
7
5
1220×3660
38.1×38.1/19×19
7
5
1220×3660
50.8×50.8
8
5
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