Metric Ball Lock Ejector Punches Heavy Duty XCN Coating

Ball-lock ejector punches are used in injection mold tooling where reliable retention during part ejection is critical, especially in heavy-duty metric molds. These punches integrate into ejector systems to ensure controlled release and consistent stroke behavior under production load.

• Automotive connector and housing molds: The standardized ball-lock geometry supports stable contact during repeated press cycles, helping reduce ejection variability when parts have deep ribs or tight draft.
• Industrial appliance housings: The heavy-duty design and larger point vs. shank layout maintain alignment and holding performance, improving repeatability for long-running runs.
• Electronics enclosure components: For tools that require interchangeable, standardized pin geometries across metric builds, this variant offers compatible tooling-fit and wear-oriented performance.

The XCN coating is selected to improve surface durability for high-cycle ejection events, making the punch suited for demanding molding environments.

These heavy-duty metric ball-lock ejector punches are specified with an XCN coating aimed at improving wear resistance in repeated press cycles. The coating enhances surface durability where the point and locking interface experience sliding contact, reducing premature wear that can affect ejection control.

• Wear resistance vs. toughness trade-off: Coated surfaces typically increase resistance to abrasion and micro-wear, while the underlying base material toughness still governs resistance to chipping under shock loads.
• Heat treatment state: The provided data specifies coating (XCN) but does not include the underlying steel grade, hardness (HRC), or heat-treatment condition (e.g., quench & temper, nitriding). For exact hardness targets and tempering parameters, request the material certificate for the selected variant.
• Material comparisons: If alternate coatings or uncoated variants are considered, the main differentiator is surface wear behavior at the ejector point and retention interface; however, those options are not detailed in the provided specifications.

To select the correct ball-lock ejector punch dimensions, start with the shank diameter (D) and overall packaging constraints inside the mold base. Available D values are 13, 16, 20, 25, 32, and 40 mm, which should match the ejector system bore and any guide or support features.

• Match length requirements: Confirm the fixed L range of 80–100 mm and the fixed L1 (point length) of 19–30 mm to ensure the point protrusion covers the part push zone without overtravel.
• Select point/tip geometry: Choose one of the supported tip shapes (H, J, K, L, N, O, R, V, X, Y, Z) to match the contact profile required by your part geometry.
• Verify interfaces P, W, and R: Use the specified ranges for P (13.1–32, 16.1–38, 20.1–40, 25.1–44, 32.1–50, 40.1–56 mm), W (1.57–34.73 mm), and R (0.2–16 up to 0.2–28 mm depending on configuration).
• Tolerance/fit: The dataset does not list tolerance values; ensure fit by referencing the mold bore machining tolerance and the ball-lock mating geometry for the selected Jektole group (J6, J9, J12).

Because several dimensions are configuration-dependent, select the variant by combining the required Jektole group with your cavity/core clearance and ejector stroke path.