Washing Machine Control Base Injection Mold

Integrated One-Step Molding: Designed for high-efficiency automated production of washing machine control base structural parts, completing molding, core pulling, ejection, cooling, and gate trimming in a single cycle.
Full-Series Compatibility: Compatible with control base structural components across all washing machine types, including top-load (pulsator), front-load (drum), and various capacity models.

Corrosion-Resistant Steel: Built using high-grade corrosion-resistant tool steels like S136 and 2316, offering exceptional wear resistance and anti-corrosion properties.
High Polish & Hardness: Quenched to HRC 48–52 with mirror polishing up to SPI A2 grade, ensuring precise dimensional integrity and smooth aesthetic surfaces.
Long Operating Lifespan: Engineered for a standard total mold service life of ≥ 800,000 shots (up to 1,000,000 shots under optimal anti-corrosion maintenance).

Parameter	Specification Details
Mold Type	Hot Runner / Cold Runner system optional
Mold Steel	Core & Cavity: S136 ESR / 2316 corrosion-resistant steel Mold Base: P20 / 718H pre-hardened steel
Cavity Design	1 Cavity (1×1), 2 Cavities (1×2), or 4 Cavities (1×4) based on production capacity requirements
Injection Machine Tonnage	180T – 550T
Molding Materials	Flame-retardant ABS, PP+GF20/30, PC/ABS, Weather-resistant PP
Dimensional Tolerance	Screw boss inner diameter: $\pm0.02\text{ mm}$ Outer contour: $\pm0.08\text{ mm}$
Flatness Requirement	$\le 0.08\text{ mm} / 200\text{ mm}$
Mold Lifespan	≥ 800,000 shots (up to 1,000,000 shots under anti-corrosion maintenance)
Cooling System	3D conformal cooling channels + high-pressure spot cooling, temperature fluctuation $\le \pm2^\circ\text{C}$ , cycle time reduced by 25%
Typical Base Dimensions	Top-Load (Pulsator): $280\times200\times60\text{ mm}$ Front-Load (Drum): $350\times220\times80\text{ mm}$
Feature Integration	Screw bosses, snap-fit mounts, wire routing slots, positioning ribs, reinforcing ribs

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