Angled Cams
Compact angled cam mechanisms for tight space undercut release.
Cam Motion Principles
Unlike standard angled pins, angled cams provide rigid, direct-force translation without the bending moments that plague long slender pins.
Direct Force Transmission
Angled cams utilize a sliding wedge surface rather than a cylindrical pin. This spreads the mold opening force over a flat, hardened surface (usually nitrided H13 or equivalent), allowing for much higher load transfer. This is critical when breaking vacuum seals on large undercuts or pulling large cores.
Delay Stroke (Dwell)
A major advantage of cam units is the ability to engineer a "delay stroke." The cam profile can include a straight vertical section before the angle begins. This allows the mold to open a few millimeters (venting pressure) before the slide actually begins to retract, protecting the molded part from scuffing.
Application Scenarios
Heavy-Duty Core Pulling
Pulling large automotive fascia cores where extraction forces exceed 1,500 kgf. Standard pins would bend or snap.
Delayed Sequence Opening
Parts requiring a 5mm mold opening dwell before the undercut is released to prevent aesthetic defects.
Technical Resources
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