Celebrating 10 Years of the original CUMSA Double Rack

Published 05/05/2025 CUMSA expands Air Poppet Valve series with a smaller-size dimension and a first-time size offering in inches. CUMSA USA has added two new sizes of air poppet valves to its VA - Air Valve series for plastic injection molds. The new diameter sizes include a 3-mm air poppet and a ½" air poppet specifically developed for the North American market. The new dimensions enable more user options so the air poppets can be applied in various types of molds. In addit

Achieving perfect plastic distribution with CUMSA’s modular Vacuum System During the injection process, invisible pressure can build up in the cavity, making it harder to fill, reducing part quality, and increasing cycle time CUMSA’s system only uses compressed air to remove air, providing the following benefits: On the plastic part: Perfect plastic filling Enhanced part quality Superior visual appearance Uniform color Dimensional stability Elimination of gas bubbles and Dies

CUMSA presents the new PZ Sprung Core The latest evolution in our sprung core range, designed to offer improved performance, flexibility and ease of installation The new and improved PZ incorporates the best features from previous generations of sprung cores into a single, optimized solution: The first compact solution for small undercuts that take up minimal space g6 tolerance and head position adjustment system from the PX Compatible with the AP extender for larger molds Al

Cavity Undercut (CU) CUMSA’s latest! The simplest, easiest and most efficient approach to handling undercuts in the cavity. Simplify the difficult: release complex undercuts that are mounted on the mold’s cavity. Maximum stroke of 30mm, although it can be adapted to shorter distances by simply adjusting the guide pin. Unlimited movement: performs straight or angled movements (from +25º to -25º) to adapt to challenging shapes. Compatible with new

Introducing the Insert Changer A new product designed for fast swapping of inserts directly through the parting line. Simply apply air to the channel to switch the insert, without disassembling the mold or using any tools. Available in two sizes to fit any project. Easy access through the mold’s parting line simplifies installation and maintenance. Highly innovative modular solution with multiple applications (different shapes, engravings, insert

Published 10/21/2024 CUMSA USA highlights its LS, the new long stroke for slides. It’s a mechanical system designed to expand slide...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: When using banana injection in large tools, significant force is needed to extract plastic...

Published 9 /5/2022 CUMSA’s KR lifters, like the DR or XR series, are designed to reduce the size of the overall mold and simplify tool...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: 100% mechanical solution designed to expand slide travel up to 100mm. without the use of...

PRODUCT FOCUS by CUMSA FA and FP Series date stamps and inserts will be 15% off thru December 31, 2024

Published 10 /2/2019 CUMSA’s double ejection systems were designed to control the sequence of double ejections or plate openings. CUMSA ...

Published 4/13/2022 CUMSA’s Xtreme Double Rack (XR) lifter is designed to enable a wide range of applications. It offers the release of...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: Standard solution for cooling cores with rotation. It consists of a hermetic seal that is...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: CUMSA’s model E is a large stroke cylinder designed for movements in the mold with a...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: INTRODUCING THE NEW FLOATING INSERT: Our new slides, the CS, MS, and CR have an innovative...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: Laminar ejector shape spring lifter to release very small undercuts. With only 4mm thickness...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: Designed to create Vacuum (up to -900mbar) by pulling the air out of the cavity before and...

PRODUCT FOCUS by CUMSA PRODUCT DESCRIPTION: Compact Coring Unit to perform small holes-details in the side walls of plastic parts. Both...