Krosino delivers high-performance alloy steel tooling and structural machine components engineered for the rigorous demands of rubber injection molding, vulcanization presses, and heavy-duty compression machinery.
Rubber processing machinery involves intense pressure and thermal fatigue. Our machining workflow ensures that essential components like mold frames, injection nozzles, hydraulic cylinder spacers, and toggle mechanism pins meet the stringent dimensional requirements necessary to maintain cycle-time repeatability in vulcanization and compression molding.
| Machining Process | Capacity Limits | Application & Mechanical Tolerance |
|---|---|---|
| Precision CNC Turning | ⌀ 300 x 750 mm | Critical clearance fitment for high-pressure injection plungers and hydraulic seals. |
| Multi-Axis Milling | Up to 1500 x 1100 x 500 mm | Complex profile machining for mold platen alignment plates and slider blocks. |
| Surface/Thread Grinding | Custom Fitting Specs | Tight flatness control for sealing surfaces to prevent elastomer flash leakage. |
| Steel Grade | Performance Characteristics for Rubber Molds | Heat Treatment |
|---|---|---|
| AISI 4140 / 42CrMo | Excellent core strength and high fatigue resistance under cyclic pressing loads. | Quenching & Tempering, Nitriding, Induction Hardening, Black Oxide, Hard Chrome Plating |
| AISI 8620 / 20CrMnTi | Superb case-hardening properties; ideal for high-wear sliding surfaces. | |
| AISI H13 (Hot-Work) | Maintains structural integrity at high operating temperatures in heated molds. |
Q1: How do we initiate a project for custom rubber machinery spares?
A: Please submit your 3D CAD files (STEP/IGS) and 2D PDF blueprints with specified alloy grades and hardness targets (HRC) for an expedited quote.
Q2: What is your approach to low-volume or repair parts?
A: We accommodate custom prototypes and small-batch replacements for existing machinery overhauls without strict MOQ requirements.
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