Part Category	Specific Parts	Core Parameters	Application Scenarios	Material Options
Guide & Positioning	Guide Pillar	Diameter: φ8-φ100mm, Length: 50-500mm, Precision: H7/h6	Guides mold opening/closing, prevents misalignment	SUJ2 (High Carbon Chromium Bearing Steel), SKD61 (Hot Work Steel)
	Guide Bushing	Inner Diameter: φ8-φ100mm, Length: 30-300mm, Tolerance: H7	Used with guide pillars to reduce wear	SUJ2, Wear-Resistant Copper Alloy
	Locating Pin/Locating Ring	Diameter: φ10-φ80mm, Height: 15-80mm	Positions mold with injection machine to ensure coaxiality	S50C (High-Quality Carbon Steel), SUJ2
Ejection System	Ejector Pin	Diameter: φ2-φ30mm, Length: 30-400mm, Surface Roughness: Ra0.8	Demolds products, pushes molded parts	SKH51 (High-Speed Steel), SKD61
	Ejector Sleeve	Inner Diameter: φ5-φ50mm, Outer Diameter: φ8-φ55mm, Length: 50-350mm	Demolds tubular/annular products	SKD61, H13 (Hot Work Steel)
	Ejector Plate Guide Pillar	Diameter: φ6-φ50mm, Length: 80-600mm, Precision: H7	Guides ejection mechanism, prevents jamming	SUJ2, S50C
Gating System	Sprue Bushing	Inlet Diameter: φ10-φ30mm, Outlet Diameter: φ3-φ15mm	Connects injection machine nozzle to mold runner	SKD61, H13
	Flange-Type Locating Ring	Outer Diameter: φ50-φ200mm, Thickness: 10-30mm	Fixes sprue bushing, seals molten material	S50C, 45# Steel
Cooling & Sealing	Cooling Water Pipe Connector	Interface Specification: G1/8-G1/2, Material Temperature Resistance: ≥150℃	Connects mold cooling water circuit, prevents water leakage	Brass, 304 Stainless Steel
	O-Ring (Sealing Ring)	Inner Diameter: φ5-φ200mm, Wire Diameter: 1-5mm, Oil & Temperature Resistant	Seals water/oil circuits, prevents leakage	NBR (Nitrile Butadiene Rubber), FKM (Fluoroelastomer)

Purchase Type	Lead Time Range	Description
Off-the-Shelf (Regular Specifications)	1-3 Working Days	Inventory covers over 80% of commonly used specifications (e.g., φ8-φ30mm guide pillars, φ2-φ20mm ejector pins); shipment within 24 hours after order placement
Customized (Non-Standard Specifications)	5-12 Working Days	Processing based on drawings (e.g., ejector pins with special lengths, sprue bushings with non-standard apertures):- Simple customization (length/diameter adjustment only): 5-7 days- Complex customization (special surface treatment/special-shaped structure): 8-12 days
Bulk Purchase (≥100 Units)	Off-the-Shelf: 3-5 DaysCustomized: 7-15 Days	Production schedule confirmation required 3 days in advance; bulk price discount available (up to 15% off)
Urgent Orders (Rush Demand)	2-4 Working Days	Priority production supported; additional rush fee (10%-20% of regular cost) to be discussed separately; only applicable to quickly processable parts (e.g., guide pillars, ejector pins)

Стандартные детали медицинских литьевых форм

I. Основные категории и технические параметры стандартных деталей литьевых форм.

II. Процесс заказа и время выполнения

1. Процесс заказа (шаги для покупателей)

2. Ключевое время выполнения заказа (по типу покупки)

3. Факторы, влияющие на время выполнения заказа