Dry vacuum pump

Edwards IXM IXM1200 GMR-A200 Dry Vacuum Pump Parts Material & Process Analysis

This article focuses on the material and process analysis of Edwards IXM / IXM1200 / Grand Hitek GMR-A200 series dry roots vacuum pump parts, covering the process details of key parts including IXMDP shafts, IXM upper and lower housings, bearing plates, chambers, gear seals, wave springs, wool felt, water cooling bars, and more. The article analyzes in detail the process differences of GMR-A200 domestic replacement parts, the special application of high-fluorine FKM seal rings, and provides material selection recommendations for different working conditions.

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Product Details

I. IXM Series Material Process Core

The IXM series is a relatively new family of Edwards dry roots vacuum pumps (parallel to the IXH series), with the following material process system:

· Base Material: Nodular cast iron QT600-3 (housing, chamber, bearing plate)

· Drive Shaft: 40Cr alloy steel (tempered)

· Gear: 20CrMnTi carburized and quenched

· Wave Spring: 60Si2Mn spring steel

· Seal Ring: High-fluorine FKM (resistant to 200°C + corrosion)

· Wool Felt: Industrial wool felt (oil absorption, dust prevention)

· Water Cooling Bar: Stainless steel 304/316L

II. IXM Drive Shaft: 40Cr Tempered Treatment

Part Number	Name	Compatible Models	Process
TX110016044	IXMDP Shaft-X	IXM	40Cr + Tempered HB280-320
TX110016045	IXMDP Shaft-Y	IXM	40Cr + Tempered HB280-320
TX110016035	Y Axis-MB	IXM	40Cr + Tempered HB280-320
—	X Axis-MB	IXM	40Cr + Tempered HB280-320
—	X Axis Y Axis	IXM	40Cr + Tempered HB280-320
—	Shaft Blank	IXM	40Cr Blank

Figure: IXMDP X Shaft — IXM Series Core Drive Shaft

图：IXMDP X Shaft

IXM Drive Shaft Key Process:

· Base material: 40Cr alloy steel (tensile strength ≥980 MPa)

· Tempered treatment: HB280-320

· Surface precision grinding: Ra ≤0.4μm

· Dynamic balance: G2.5 grade @ 12000 RPM

· Keyway: End-face runout ≤0.01mm

III. IXM Housing: Nodular Cast Iron Precision Machining

Part Number	Name	Compatible Models	Process
TX110009047	IXM Upper Housing	IXM	Nodular cast iron QT600-3 + Precision turning
TX110009048	IXM Lower Housing	IXM	Nodular cast iron QT600-3 + Precision turning

Figure: IXM Lower Housing — IXM Lower Housing