PET Blow Mold Alignment Pins & Bushings | Custom CNC Milling Services

Product Overview

PET bottle blow mould locating pins and bushings are precision alignment components used to ensure accurate positioning and repeatable mold closing in injection and blow molding systems. Manufactured through CNC milling and precision machining processes, these parts play a critical role in maintaining mold alignment, reducing wear, and ensuring stable production. Senlan Precision supplies locating pins and bushings strictly according to customer drawings under a built-to-print OEM manufacturing model.

Key Features & Advantages

• Precision locating pins and bushings for PET bottle blow mould systems

• CNC milling and machining for tight dimensional control

• Stable alignment performance for repeated mold opening and closing

• Suitable for high-cycle injection and blow molding operations

• Custom materials and tolerances available upon request

• Improved mold service life through accurate positioning

• OEM / Built-to-Print manufacturing based on customer specifications

Applications / Industry Use

• PET bottle blow moulds

• Injection stretch blow molding (ISBM) systems

• Packaging bottle production lines

• Multi-cavity bottle and preform molds

• Precision mold alignment and guiding applications

Mold Structure & Design Description

Locating pins and bushings are installed between mold plates to ensure precise positioning and repeatable alignment during mold closing. In PET bottle blow mould systems, accurate alignment is essential to maintain cavity consistency and avoid uneven stress or premature wear. Properly machined locating components help reduce misalignment, extend mold life, and support stable high-speed production.

Manufacturing Capability & CNC Machining

Senlan Precision manufactures locating pins and bushings using advanced CNC milling, turning, and finishing processes. Production is supported by precision machining centers from MAKINO and high-accuracy equipment from HARDINGE, ensuring consistent dimensional accuracy and repeatability.

Manufacturing processes include:

• CNC milling and turning

• Precision drilling and boring

• Surface finishing and tolerance control

• Dimensional inspection and verification

Custom Development / OEM Cooperation Process

1. Customer submits drawings or 3D models

2. Technical evaluation of tolerances and material requirements

3. CNC machining and process planning

4. Precision manufacturing and finishing

5. Quality inspection prior to shipment

6. Export packing and delivery

All parts are produced under a Built-to-Print OEM cooperation model.

Quality Control & Export Experience

• Incoming material inspection and traceability

• In-process dimensional checks

• Final inspection before shipment

• Standardized quality control procedures

• Experience supplying precision mold components to international customers

Related Products

• Mold guide pins and guide bushings

• Precision mold alignment components

• Core pins and cavity inserts

• Blow mould and injection mould spare parts

• Customized non-standard mold components

FAQ – Technical & Purchasing

Q1: What is the function of locating pins and bushings in a blow mould?
They ensure accurate mold alignment and repeatable positioning during each molding cycle.

Q2: Can you manufacture according to customer drawings only?
Yes. All parts are produced strictly according to customer-provided drawings and specifications.

Q3: Are these components suitable for high-cycle production?
Yes. They are designed to support stable operation in high-cycle PET bottle production.

Q4: What machining processes are used?
CNC milling, turning, drilling, and precision finishing are applied based on part geometry.

Request a Quote

Please provide drawings, material requirements, tolerance specifications, and estimated quantities.
Our engineering team will review your request and offer a technical quotation accordingly.