Introduction for Component: 330500-03-00
This component is a standard locating ring (also known as a register ring or mold locating ring), designed for plastic injection molds. It is a fundamental and critical alignment component in mold-making and injection molding machinery. The ring's primary function is to precisely align and center the injection mold onto the stationary platen of the injection molding machine. This ensures that the nozzle of the injection molding machine is perfectly aligned with the sprue bushing (feed hole) of the mold, facilitating smooth material flow, preventing leaks (drooling), and protecting the mold from damage due to misalignment.
Technical Parameters & Specifications
The part number 330500-03-00 follows a common industry coding system. The prefix "330500" typically indicates the style and base dimensions of the ring, while the suffix "-03-00" may specify material or a small variant. Based on the common standard (e.g., HASCO, DME, or equivalent), this code is associated with a widely used metric locating ring. The key specifications are summarized in the table below.
| Parameter | Specification | Notes / Unit |
|---|---|---|
| Part Number | 330500-03-00 | Standard locating ring designation |
| Main Diameter (D) | 100 mm | Standard outer diameter for machine platen mounting. |
| Locating Diameter (d) | 100 mm | The precise diameter that fits into the machine platen's recess. |
| Height / Thickness (H) | 16 mm | Standard overall thickness of the ring. |
| Counterbore Diameter (d1) | 35 mm | Inner clearance diameter for the sprue bushing. |
| Counterbore Depth (h) | 11 mm | Depth of the recess for the sprue bushing head. |
| Mounting Hole Pattern | 4x M8 | Typically four through-holes on a Ø80 mm bolt circle. |
| Mounting Hole Size | 9 mm (through hole) | Diameter for M8 mounting screws. |
| Material | Case-Hardened Steel | Surface hardened for wear resistance, with a tough core. |
| Surface Hardness | 52-56 HRC | Hardened at the locating surfaces. |
| Weight (Approx.) | ~0.85 kg | Calculated based on ring geometry and steel density (7.85 g/cm³). |
| Standard | Common Metric Standard (HASCO Z10, DME Type R) | Interchangeable with equivalent industry-standard rings. |
Note on Weight: The calculated weight is an approximation for the standard geometry. The suffix -03-00 might indicate a specific surface finish (e.g., phosphate coating) or a minor tolerance variant, which would not significantly affect the core dimensions or weight.
Application Scenarios
This locating ring is a universal component used in virtually all injection molding setups:
Injection Mold Mounting: Its primary and universal application is to be mounted on the fixed side (cavity side) of an injection mold. It fits into a corresponding machined recess on the stationary platen of the injection molding machine, ensuring the mold is centered before the clamping force is applied.
Standard Mold Bases: Pre-installed on commercially available standard mold bases (e.g., Futaba, HASCO, DME, LKM bases) as a default centering component.
Preventing Nozzle Misalignment: By ensuring perfect alignment between the machine nozzle and the mold's sprue bushing, it prevents material leakage ("drooling") at the interface, which can cause production downtime and maintenance issues.
Protecting Mold Components: Correct alignment prevents side-loading and impact damage to the delicate sprue bushing and the machine nozzle, significantly extending their service life.
Quick Mold Changes: In systems designed for rapid mold changes, the standardized locating ring is crucial for quick, repeatable, and accurate positioning of different molds on the same machine platen.
Key Function: This component does not experience significant dynamic loads but is critical for initial and static alignment. It acts as the first and most crucial step in setting up a mold, transforming the powerful clamping force of the machine into a precise, aligned clamping action.
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