Tie Bars For Clamping Unit On Injection Molding Machine

Tie Bars, injection columns for Injection Molding Machine

 

Ningbo DW Plastics Machinery manufactures nitriding and Chrome Plated Tie Bars together with matching guide rods, piston rods, nuts and other accessories for injection molding machine, die casting machine and forging machine.

 

The injection tie bars, also called injection culumns, are a rod-shaped component installed on the injection molding machine to provide traction. Its main function is to balance the sliding of the template and withstand the tension generated during the locking process. In the locking mechanism of an injection molding machine, the performance of the tie bars directly affects the rigidity and stability of the system. Therefore, optimizing the design of the tie bars is crucial for improving the overall performance of the injection molding machine.

To ensure reliable performance, tie bars must be manufactured to exacting standards, made from high-quality materials, and precisely measured and machined. The use of low-quality tie bars may result in premature wear and tear, leading to misalignment of platens, mold damage, and other issues that can compromise the production process.

 

 

 

 

Manufacturing Process  and Technical Data

Nitrided Tiebars

Blanking -> Peeling -> QT -> Rough Turn -> Qualitative -> Semi-extrative Turning -> Qualitative -> Fine Turning -> Ablation -> Nitriding -> Grinding -> Nitriding - Teeth Cutting  -> Polishing to Finished Products

Material: 42CrMo

Diameter: Φ50 - 600mm

Length:1,000 - 10,0000mm

Nitriding layer thickness: 0.2mm

Surface hardness: >/= 55HRC

Chrome Plated Tiebars

Blanking -> Peeling -> QT -> Rough Turn -> Qualitative -> Fine Turning -> Ablation -> Polishing -> Chrome Plating -> Teeth Cutting -> Polishing to Finished Products

Material: 42CrMo or 42Cr

Diameter: Φ50 - 600mm

Length:1,000 - 10,0000mm

Chrome Plating layer thickness: 0.02 - 0.08mm

Surface hardness: 570 - 650HV

 

 

 

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