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TH2200: Washing Machine Case Molding Solution

2026/05/27 By le zhan

Washing Machine Case Molding Solution

Washing machine Case must have a clean appearance, be precisely assembled, and maintain stable performance over the long term. Unlike small exterior components, they place higher demands on the injection molding machine’s rigidity, mold sealing, clamping stability, and cycle consistency.
FKTC, a company in the home appliance industry, requested that we provide a washing machine case molding solution. The requirement was to reliably mold a PP-material housing weighing 8 kg.

Based on the client’s requirements and the product specifications, we provided a solution featuring the TH2200 direct-pressure hydraulic injection molding machine as the core equipment and the MBW200 Servo Injection Robot as the robotic arm.
Case Overview:

ItemParameter
CustomerFKTC Company
IndustryHome appliance
Machine modelTH2200
Machine typeDirect Pressure Hydraulic Injection Molding Machine
ProductWashing machine case
Mold cavity1 pc
MaterialPP
Product weight8 kg
Molding cycle131 s

TH2200: The Core Equipment for the Washing Machine Case Molding Solution

Large home appliance components, such as washing machine cases, require stable force distribution, reliable mold clamping, and consistent part molding. The customer’s product is substantial in size, weighing 8 kg, and features a complex structure with a single-cavity mold. Therefore, the injection molding machine must support the mold while preventing additional deformation, stress, or instability.

Therefore, we selected the TH2200 direct-pressure hydraulic injection molding machine. It features a multi-stage mold protection design that distributes forces more evenly, preventing localized overpressure at the parting line and cavity deformation, thereby safeguarding the mold. For this product, its value lies in enabling production in a more controlled, balanced manner, thereby contributing to the production of more stable washing machine cases.

https://www.quora.com/What-are-the-core-comparisons-between-single-cavity-and-multi-cavity-molds

Multi-Stage Mold Protection and High-Precision Molding

Mold protection is one of the most critical factors in the production of large parts. Heavy-duty molds repeatedly endure uneven forces, which can lead to issues such as overpressure, cavity deformation, or accelerated wear. Over time, this results in increased maintenance, higher repair costs, and longer downtime. The TH2200 Direct Pressure Hydraulic IMM’s multi-layer mold protection design, combined with uniform force distribution, helps prevent localized overpressure at the parting line and reduces the risk of cavity deformation. This represents a significant advantage for the molding of washing machine cases.

For FKTC, this protective measure directly extended the mold maintenance cycle from 2 months to 6 months and reduced mold repair costs by approximately 66%.

Multi-Stage Mold Protection and High-Precision Molding

Central Direct Pressure Clamping Improves Molding Precision

The second advantage of the TH2200 Direct Pressure Hydraulic IMM is its central direct-pressure clamping method. This design applies clamping force directly to the center of the platen. This improves clamping balance, helps reduce flash, and ensures more uniform wall thickness. When the clamping force is applied more evenly, the mold closes more consistently. This helps the washing machine case maintain a better shape and reduces the likelihood of defects caused by uneven pressure. In the washing machine case molding solutions, this means the machine can simultaneously achieve higher yield rates and better product appearance.

Central Direct Pressure Clamping Improves Molding Precision

Patented Stress-Optimized Structure Enhances Reliability

For machines used in continuous home appliance production, long-term stability is just as important as short-term output. The TH2200 features a patented stress-optimized structure that enhances durability and reduces the risk of failure. This stress-optimized design helps the injection molding machine maintain better balance during operation, thereby reducing the likelihood of wear-related issues and ensuring smoother operation during repeated cycles. In actual production, this translates to reduced downtime and more reliable output, providing customers with greater assurance.

Synchronized Braking Mechanism Supports Long-Term Stability

The TH2200 also incorporates a synchronized braking mechanism that helps ensure stable operation of all four tie bars. Balanced tie bar movement helps maintain mold alignment and reduces the need for manual adjustments. In the production of washing machine cases, this stability helps maintain a low failure rate and improves long-term performance. Machines requiring frequent manual corrections incur hidden costs, reduce production efficiency, and increase the likelihood of errors. The TH2200 avoids this issue by automatically maintaining synchronized motion, providing FKTC with a more reliable solution for washing machine case molding and reducing the burden on the maintenance team.

Key Outcomes of the FKTC Case Study

Performance IndicatorBeforeAfterImprovement
On-time delivery90%98%8%
Yield rate95%99.50%4.50%
Mold maintenance cycle2 months6 monthsExtended
Mold repair costBaselineReduced by approx. 66%Significant reduction

A Model for Washing Machine Case Molding Solution

The final conclusion is clear: the TH2200 helped FKTC achieve genuine production improvements. The customer achieved higher on-time delivery rates, higher yield rates, longer maintenance intervals, and lower mold repair costs.

The value of the direct-pressure hydraulic injection molding machine (IMM) is particularly notable, as it enables better control of clamping force and achieves a more balanced force distribution. These factors helped the customer improve yield rates and reduce mold wear during the production of washing machine cases. For manufacturers producing large home appliance components, this is precisely the outcome they seek from a washing machine case molding solution.
 

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