Description
We are professional Forging forged steel Gas Compressor Crankshaft, Crank shafts, Forging Steel CNG Compressor Crankshaft/crank shafts, Forging steel Reciprocating gas compressors crank shafts Factory from china
AISI 1045, AISI 4140, AISI 4340,, 42CrMo4, 25CrMo4, 34CrNiMo6, 17CrNiMo6-4 34CrMo4, 30CrNiMo8, 36CrNiMo4, 40NiCrMo7, 41CrALMo7, 30NiCrMo12,18CrMos4, 18CrNiMo7-6, 17CrNiMo6,, St52-3, S355j2g3, 50CrMo4, 39NiCrMo3
The maximum length of gas compressor crank shafts that we could produce is up to 12 meter
The maximum diameter of gas compressor crankshafts that we could produce is up to 2 meter
The maximum weight of forging gas compressor crank shafts that we could produce is up to 25 tons
We could forged, heat treatment and final machined gas compressor crankshafts as per clients drawing
FOllowing is our one full production inspection plan of finished forging gas compressor crank shafts
Material Test
Heat Treatment
Chemical Analysis
Mechanical Properties
Non-destructive Examination during fabrication
UT (After rough machining)
MT (After Completion of machining)
Visual Inspection after Final Machining
(1) Check of Radius at Corners
(2) Roughness Check
(3) Check of Corners of Oil Holes
(4) Check of Reamer Bolt Holes
(5) Check of Cleaning
(6) Surface Check
5. Traceability Check
(1) Die-Stamp of Charge No.
(2) Die-Stamp of Match Mark ""A""
for Flange Connection
(3) Die-Stamp of Identification No.
6. Check of Contact Mark Check by
Straight Beam
(1) End Surface of Coupling Flange
(2) Crank Journal and Crank Pin
7. Dimensional Inspection
(1)Deflection
(2) Diameter of Reamer Bolt Holes
(3) Eccentricity of Reamer Bolt
Hole to Outer Diameter of
Coupling Flange
(4) Runout of Journal, Coupling
Flange (side & Circumference) etc.
(5) Inclination of Crank Pins
(6) Stroke
(7) Angle of Crank Pins
(8) Dimensions for Major Parts *
Preparation for Shipping
(1) Rust Preservation
(2) Protection
(3) Packing Inspection
Jiangsu liangyi is qualified with ISO 9001-2015 , when we finish all gas compresor crankshafts, we will release en10204-3.1 for our every pieces of forged gas compresor crankshafts, also we could release en10204-3.2 by third party like T.U.V., DET NORSKE VERITAS, LLOYD’S REGISTER OF SHIPPING, BUREAU VERITAS, GERMANISCHER LLOYD, ABS, etc.
Welcome your inquiry of gas compressor crankshafts