Jinpan Precision Mold and Mold Accessories

20/10/2026

Mold Core & Cavity Machining

Mold core and cavity machining requires precise dimensions, complex contour control, and consistent surface quality. From CNC milling to EDM and finishing, every process plays a role in the final mold accuracy.

Precision starts with the details.

19/10/2026

15/10/2026

Mold Core Machining

Mold core machining requires precise dimensions, accurate geometry, and a good surface finish. Every detail matters to the final mold quality and molding performance.

15/10/2026

EDM Machining for Mold Cores

EDM is often used to machine deep cavities, narrow slots, and complex geometries that are difficult to achieve with conventional cutting tools.

Electrode design, discharge parameters, and surface finish all matter when machining precision mold cores.

14/10/2026

Angled Lifter Machining

Angled lifter machining requires precise angles, dimensions, and sliding surfaces. Even small deviations can affect movement, fit, and demolding performance.

Precision matters at every step.

13/10/2026

A Mold Is Only as Reliable as Its Critical Components.

When a mold has a problem, people often look at the mold as a whole.

But sometimes, the real problem is just one small component.

A slide that does not move smoothly.
An insert that does not fit correctly.
A lifter with excessive wear.
A component that is only slightly out of tolerance.

These small issues can lead to:

→ Longer mold trials
→ Difficult assembly
→ Parting line problems
→ Poor demolding
→ Premature wear
→ Production downtime

That is why precision mold component machining is not simply about making a part to a drawing.

The component needs to work correctly with the entire mold system.

For custom mold components, details such as tolerance, material, heat treatment, surface finish, fitting and final inspection can make a significant difference.

We manufacture custom mold inserts, mold cores, slides, lifters, wear components and other precision mold parts based on customer 2D/3D drawings.

For mold makers and injection molding companies in Europe and North America, we welcome new projects, difficult components and second-source opportunities.

If one mold component is holding up your project, send us the drawing.

Let’s look at the problem from the machining, fitting and production side — not just the price.

What is the most difficult mold component for you to source: slides, lifters, inserts, cores, or something else?

13/10/2026

Mold Cavity Machining | Precision in Every Detail

The mold cavity directly shapes the final plastic part. Dimensional accuracy, surface finish and geometric precision all influence the final result.

Complex contours and tight tolerances make cavity machining a demanding process, requiring careful CNC machining, EDM, polishing and inspection.

A precise cavity is the foundation of consistent part quality.

13/10/2026

Precision Mold Components, Made to Drawing.

Every mold component has a job to do. Accurate dimensions and proper fitting make a difference in final mold assembly.

We manufacture custom mold cores, inserts, slides, lifters and other precision mold components based on customer drawings.

Need a machining partner for your next project in Europe or North America? Send us your drawings to discuss the requirements.

09/10/2026

08/10/2026

A Collapsible Core Solves a Problem That a Standard Core Cannot.

Some plastic parts look simple from the outside.

But inside the part, deep undercuts, internal threads or complex geometries can make demolding extremely difficult.

Adding more side actions is one solution.

But sometimes, a collapsible core is the smarter solution.

The idea is simple:

The core collapses inward during ejection, allowing the molded part to release from complex internal features.

Manufacturing it is another story.

The challenge is not only machining the individual segments.

It is making all segments work together with the right:

→ Dimensional accuracy
→ Segment alignment
→ Clearances
→ Surface finish
→ Hardness
→ Movement
→ Assembly accuracy

If the movement is not smooth, the problem may not appear during machining.

It may appear after hundreds or thousands of production cycles — when the mold starts sticking, wearing or affecting part quality.

That is why a collapsible core should be evaluated by production performance, not machining price alone.

For mold makers and injection molding companies in Europe and North America, we support custom collapsible core machining based on 2D/3D drawings.

Have a collapsible core project that is difficult to manufacture or currently too expensive?

Send us the drawing.

Let’s look at the structure, machining process, tolerances and cost together.

When choosing a collapsible core supplier, what matters most to you — precision, movement, durability or cost?