Inch Ball Lock Ejector Punches Heavy Duty

In injection mold tooling, heavy-duty ball lock ejector punches are used to drive ejector systems with repeatable positioning, especially where higher press speeds and frequent cycle wear demand stable contact. This variant features a larger point than the shank, improving control during the eject phase and helping maintain consistent engagement across production runs.

• Automotive connector and housing molds: Use when ejector strokes must stay precise to prevent scuffing and ensure reliable part release from deep ribs or snap-fit features.
• Appliance and enclosure molds: The heavy-duty ball lock geometry supports locating stability through high-cycle ejection, reducing drift-related inconsistencies in part ejection.
• Consumer electronics housings: XN DayTride® coating is suited for long tool life under repetitive contact conditions, supporting more uniform ejection performance across batches.

Choose the specified tip shapes (H, J, K, L, N, O, R, V, X, Y, Z) to match the target contact profile while retaining robust wear resistance from the coating for demanding production.

This product is specified as heavy-duty ball lock ejector punches with an XN DayTride® coating. While the exact base steel grade and hardness (HRC) are not provided in the available data, the coating’s primary function is to increase wear resistance at the contact interface during repetitive ejection cycles.

• Coating benefit: Helps resist surface wear and micro-abrasion caused by repeated punch-to-part and punch-to-retainer contacts, supporting stable ejection over time.
• Heat treatment: No specific heat treatment state (e.g., quenched & tempered, nitrided) is listed in the supplied specifications, so it should be confirmed against the supplier’s material sheet.
• Trade-offs: Coatings typically improve wear performance while preserving adequate toughness, but exact HRC and toughness targets depend on the underlying steel grade and heat treatment.

If alternative materials or coatings are under consideration, match them based on expected contact pressure, cycle count, and required surface durability rather than coating alone.

Correct sizing is critical for ball lock retention and controlled ejection. Select the shank diameter (D) within 37 ~ 125 in, then choose an available tip shape (H, J, K, L, N, O, R, V, X, Y, Z) that matches the desired contact geometry at the eject interface.

• Length (L): Use the coded inch length options 250 ~ 450 or 275 ~ 450 to fit your ejector stroke and bolster/plate stack-up.
• Ball lock-related dimensions: Confirm P (0.376 ~ 1.251 in), W (0.062 ~ 1.083 in), and R (0.007 ~ 0.4375 / 0.007 ~ 0.625 / 0.007 ~ 0.75 / 0.007 ~ 0.875 / 0.007 ~ 1 in) against the mating tool components for proper engagement.

For fit and assembly, ensure the chosen dimensions align with the specified Jektole group (J4, J6, J9, J12) and tool interfaces. Tolerances are not specified in the provided data—use the manufacturer’s drawing/acceptance criteria when finalizing cavity/core layouts and assembly clearances.