Automotive mold-hot runner injection mold-2 steps ejection

Short Description:

The concerns is how to cut off sprue material on part of PA6+GF15. Leaving nozzle scrap flatted. How efficiency in removing sprue material by sudden force. Double ejection couple connects ejection plates. HASCO insulation plates on top & bottom mold plates. Stroke sensor was installed for limit of ejection movement.

Usage: Automotive article

Mold type: Thermoplastic hot runner injection mold

Raw material: PA6+15GF

Cavity No.: 1 Cav.

Demold mechanism: Double ejection group plates, double ejection with electrical sensor.

Mold material: 1.2343 ESU, 48-52 HRC, A plate(AS) , B plate(DS) and ejection plate 1.2312

Mold size: L400xW350xH480mm, HASCO ejection guiding bushes set.

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Product Detail

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SPECIFICATION
Usage	Automotive article
Mold type	Thermoplastic hot runner injection mold
Raw material	PA6+15GF
Finishing	Technical Polishing sand paper 600#
Cavity No.	1 Cav.
Construction	2-plate with insulation plates (material G6)
Demold mechanism	Double ejection group plates, double ejection with electrical sensor.
Injection	Hot runner system x 1 hot drop, brand Synventive
Mold material	1.2343 ESU, 48-52 HRC, A plate(AS) , B plate(DS) and ejection plate 1.2312
Mold size	L400xW350xH480mm, HASCO ejection guiding bushes set.
Components	HASCO waterline plugs, connectors & ejection pin,
Machine Tonnage	M/C HT160T,
Cycle time	30 sec, mold temperature 95°C.
Mold lifetime	1,000,000 shots
FA lead-time	4 weeks
Delivery time	10 weeks

The Automotive injection mould with hot runner system mold, steel is 1.2343 ESU hardened, 48-52HRC vacuum heat treatment , mold base A plate(AS) 1.2312, B plate(DS) 1.2312. Since ribs on angular lifter, double ejection is needed for ejection of part by 2 steps. ejection plate group is made of material 1.2312 as well. single open sprue direct to top of part. injection mold making supplier in China can purchase HASCO or DME standard mold base in local market.-Automotive mold The concerns to the mold is how to cut off sprue material on part of PA6+GF15. some engineers advised to use thermal cutting plier to remove it. but actually we removed it applying sudden force to let it crack off by use of rod, leaving nozzle scrap flatted. How efficiency. Some good idea always is followed good mold design but sometime comes from post mold Engineering Solution. Due to double ejection plate groups, the stack height of mold is bigger. For plastic injection mold design, engineering designer regularly considers mold stack height for press Day night distance. Test samples off mold were sent to client by DHL express with good package in carton box , 3 days arriving at destination. To mold making suppliers in Dongguan, distance is no problem. AS normal rules 3 hours continuous cycle molding to check if mold running in press is stable without mechanism broken off, during first hour check if the mold temperature is constant. Before mold packing, QC team checked whole mold by checking list to all components together with project engineer. QC man checked mold according to mold & tooling specification, project engineer checked mold standard and plastic quality conformed to part drawings/part printing and 3D part model. mold making men cleaned all components and mold base, including hot runner channel and hot drop, they packed the mold by use of Vacuum packing bag for waterproof and heat insulation. Plyboard plate carton is used for mold delivery by see and airplane freight. Sincerely yours! Thanks a lot for reading!