CNG Cylinder Hot Spinning Machine_Nantong Zhenhuan Trade Co., Ltd.

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CNG Cylinder Hot Spinning Machine

Description of CNG cylinder hot spinning machine:
Hot spinning is a new processing method for producing high pressure air cylinders because this processing method can increase surface quality and gently curvature of cylinders.
We pursue every detail on our hot spinning machine: spinning arm is mounted on a slide rail parallel to main spindle and so its rotary motion provides the best metal forming result.

Buildup of CNG cylinder hot spinning machine line:
--Medium-frequency heating system
--Transmitting line
-- Loading & unloading system
-- Hot spinning machine
-- Heat supplementing system
-- Hydraulic system
-- Electric control system

Main features of hot spinning machine
-- Adopts inverter control quick feeding and quick rejecting workpiece
-- Adopts Siemens 802C CNC control system, quick operation speed
-- Main spindle speed reaches 700rpm, quick mould feeding speed
-- Main spindle is driven by DC motor controlled by Siemens DC regulator
-- Length positioning of steel pipe is driven by servo motor, quick and accurate
-- Electric control cabinet is equipped with industrial AC
-- Control circuit adopts heavy-duty sockets, reliable wire arrangement, and convenient maintenance
-- Full sealed protection shade

Different machines for different cylinder diameter ranges:

Code	Wall thickness	Min. Diameter	Max. diameter	Min. length	Max. length
THG232	3~8mm	140mm	232mm	600mm	1200mm
THG325	5~15mm	200mm	325mm	750mm	2000mm
THG406	5~20mm	325mm	406mm	800mm	2000mm
THG660	10~35mm	406mm	660mm	6000mm	12500mm
THG920	10~40mm	720mm	920mm	6000mm	12500mm

Main parameters of typical CNG cylinder and hot spinning machine (THG406):

No.	Item	Data
1	Workpiece information
	Max. cylinder diameter	406mm
	Min. cylinder diameter	232mm
	Max. cylinder length	2000mm
	Min. cylinder length	800mm
	Cylinder wall thickness	5~15mm
2	Hot spinning machine
	Typical processing speed (diameter 356mm, including loading & unloading)	Max. 2.5min
	Spindle center height	1250mm
	Main spindle driving motor power	144kW (DC)
	Slide axial stroke	65mm
	Slide radial stroke	17mm
	Radial clamping force	1200kN
	Main spindle speed	0-700rpm (adjustable)
	DC driver	Siemens
	Mould axial stroke	450mm
	Mould axial max. feeding force	246.3KN
	Mould axial max. feeding speed	200mm/s
	Max. wheel rotating speed	40°/s
	Max. wheel torque	65KN.m
	Wheel rotating angle range	0~100°
	Hydraulic pump motor power	90kW
	Hydraulic proportion valve	ATOS from Italy
	Control system	Siemens 802C
3	Medium-frequency heating system
	Frequency	1000Hz
	Heating power	500kW
4	Pneumatic system	Air compressor provided by Buyer
	Pneumatic pressure	0.6MPa
5	Whole line occupation	about 18 x 2 x 1.6m

More photos of CNG cylinder hot spinning machine:

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