Electric Vehicle Heat Pump Compressor Scroll Plate

Scroll Disk for New Energy Heat Pump Compressor | Precision Scroll Plate Machining

Scroll disk, GF Mikron 5-axis machining, core component of compressor, aluminum alloy, low leakage, high precision

Product Brief

We specialize in the precision manufacturing of scroll plates-the core components of scroll compressors for new energy heat pumps. especially the Electric Vehicle Heat Pump Compressor Scroll Plate.

Our product range includes fixed scrolls, orbiting scrolls and related slip ring structures, which are critical parts enabling efficient gas compression and low-energy operation.

Leveraging Swiss GF Mikron high-speed 5-axis machining centers and professional profile programming algorithms, we achieve one-step forming of complex involute scroll structures, ensuring a perfect integration of profile accuracy, surface finish and sealing performance.

Our scroll plate products are widely applied in new energy heat pump systems, automotive thermal management, electric compressors as well as refrigeration and air conditioning systems.

Core Advantages

1. GF Mikron High-Speed 5-Axis Precision Machining Capability

High-precision machining of involute profiles and sealing surfaces completed in a single clamping

Profile accuracy up to ±0.01 mm with surface roughness Ra ≤ 0.2 μm

Guarantees high consistency and batch stability of scroll structures

2. High-Efficiency Sealing and Low-Leakage Performance

End face flatness ≤ 0.005 mm

Optimized profile clearance design effectively reduces leakage and energy loss

3. High-Rigidity and Lightweight Structure

Mass production capacity for aluminum alloy scroll plates

Structural optimization via finite element analysis (FEA) results in a 20% increase in strength and a 15% reduction in weight

Adaptable to high-speed operation and high pressure difference working conditions

4. Dynamic Balance and Wear Resistance Control

Orbiting scrolls achieve G1.0 balance grade through precision counterweight and dynamic balance correction

Optional DLC or nitriding hardening treatment for friction surfaces, extending service life by 3 times

Precision machining of slip ring grooves and guiding structures ensures smooth operation

5. Quality Traceability and Inspection System

Full-process inspection: profile scanning, flatness, coaxiality and air tightness testing

Compliant with ISO9001 and IATF16949 standards

Provide complete inspection reports and batch traceability

Technical Parameters (Typical Values)

Item	Parameter
Maximum Diameter	300mm
Profile Line Accuracy	≤ ±0.01 mm
Material	Aluminum Alloy (A380, 7075)
Surface Roughness	Ra ≤ 0.2 μm (Sealing Surface)
Dynamic Balance Grade	G1.0
Coating	DLC / CrN / Nitriding Treatment

Application Fields

New energy heat pump compressors
Automotive thermal management systems
Electric air conditioning compressors
Industrial refrigeration and air conditioning equipment

Manufacturing Advantages: GF Mikron High-Speed 5-Axis Machining

Swiss GF Mikron high-speed 5-axis machining centers (Spindle speed: 42,000 RPM)
5-axis simultaneous machining enables one-step processing of complex involute structures
Combined with high-stability fixtures and on-line probing compensation, achieving a batch precision of ±0.005 mm
Support for precision machining of aluminum alloys
Burr-free, stress-free throughout the entire process with excellent surface roughness

Customization Capabilities

Custom manufacturing of Scroll for Compressor based on customer-supplied drawings, 3D models, or physical samples.
Configurable scroll wraps, base plate, center bore, sealing surface, mounting holes, and locating features.
Structural dimensions can be adjusted to meet the fit-up requirements of the heat pump compressor, orbiting scroll, fixed scroll, and bearing structure.
Critical dimensions, mating surfaces, and mounting datums can be controlled according to the customer drawing.
The machining plan can be developed based on material, heat treatment, surface treatment, and batch quantity requirements.

Quality Control

Production is carried out in accordance with quality management system requirements such as ISO 9001, AS9100, and IATF 16949, with key inspection items covering scroll profile, wrap height, flatness, sealing surface accuracy, hole positions, surface roughness, and visual appearance.

Frequently Asked Questions

What information is required to quote a custom Scroll for Compressor?

Please provide drawings, 3D models, material requirements, surface treatment requirements, quantity, accuracy requirements, and application scenario. If physical samples are available, they can also be supplied for structure and process evaluation.

Can samples be made first for validation?

Yes. We support sample development and small-batch trial production. Customers can complete dimensional confirmation, assembly testing, and fit validation before moving into subsequent batch production.

What is the typical sample development lead time?

The sample development lead time is typically 7-45 working days. The exact schedule will be confirmed based on the structural complexity of the compressor scroll, material, machining process, heat treatment, and surface treatment requirements.

What is the Minimum Order Quantity (MOQ)?

The standard MOQ is 10 pcs. It can also be discussed flexibly based on sample testing, small-batch trial production, or the planned follow-up batch order.

Do you support the process from small-batch trial production to batch production?

Yes. We can support sample development, small-batch validation, and batch production according to the customer project schedule, while maintaining consistent machining standards and dimensional consistency for repeat orders.

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