Plastic Mold Accessories
Complete range of precision accessories for injection molding systems, including coil springs, gas springs, fasteners, lifting elements, and cycle counters. Engineered for high-cycle stability and compatible with major international standards.
Product Categories
Mold Springs
Heat-resistant coil springs (SWF/SWL/SWM/SWH), gate cut springs, and spring guide pins for reliable mold ejection.
Browse 10+ ProductsMold Fasteners
Precision hex socket bolts, cooling channel screw plugs, thermal insulation washers, and dowel pins (h7/m6).
View 10+ ProductsMold Lifting & Handling
Swivel lifting eye bolts and heavy-duty lifting bars designed for safe handling of multi-plate injection molds.
View ProductsGas Springs
Compact nitrogen gas springs providing high initial force and constant pressure for demanding ejection systems.
View Gas SpringsOther Components
Mechanical mold cycle counters, distance plates, and parting lock components for mold maintenance and control.
View AccessoriesAccessories vs. Core Mold Components
While "accessories" might sound optional, these components are critical for mold function, safety, and lifespan. Here is how they differ from core molding components:
| Category | Plastic Mold Accessories | Core Mold Components |
|---|---|---|
| Primary Role | Support, actuation, safety, and assembly (springs, bolts, lifters) | Forming the plastic part (cores, cavities, ejector pins) |
| Contact with Melt | No contact with plastic melt | Direct contact with molten plastic |
| Maintenance Cycle | Replaced during scheduled PM (fatigue life) | Replaced due to wear or flash issues |
| Examples | Coil springs, screw plugs, eye bolts, counters | Ejector pins, sprue bushings, slide cores |
Accessory Compatibility in the Mold Base
Mold accessories must work together seamlessly within the confines of the mold base. Key pairing considerations include:
- Springs & Guide Pins: Coil springs must be paired with correctly sized spring guide pins (SGAMK series) to prevent buckling and fatigue under high compression.
- Cooling & Fastening: Cooling channel screw plugs often require high-grade sealing washers. Thermal insulation washers should be paired with high-tensile bolts to maintain clamping force despite temperature gradients.
- Lifting & Weight: Eye bolts must be rated for the total mold weight, and multi-plate molds require specific lifting bars to keep plates locked during crane transport.
Engineering Resources
How to Choose the Right Spring for Your Injection Mold
Step-by-step guide to selecting mold springs by load grade, deflection, and pocket depth.
Why Heat-Resistant Springs Matter — Temperature Effects
Stress relaxation data, material comparison, and resin temperature reference.
When to Replace Mold Springs — Signs of Fatigue
Set height measurement, replacement intervals, and spring life extension tips.
Frequently Asked Questions
Are your mold springs compatible with MISUMI color coding?+
What is the lifespan of your mold springs?+
Do you supply metric and imperial mold fasteners?+
Need a Custom Quote?
Send your specifications and receive a quote. MOQ: 1 piece. Custom dimensions available.