PUL CNC 3-Sides Punching Machine for U-Beams of Truck Chassis

Product Application Introduction

a) It’s truck/lorry U Beam CNC Punching Machine, popularly used for automobile manufacture industry.

b) This machine can be used for 3-sides CNC punching of automobile longitudinal U beam with equal cross section of the truck/lorry.

c) The machine has the characteristics of high processing precision, fast punching speed and high production efficiency.

d) The whole process is fully automatic and flexible, which can adapt to the mass production of longitudinal beam, and can be used to develop new products with small batch and many kinds of production.

e) The production preparation time is short, which can greatly improve the product quality and production efficiency of the automobile frame.

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by SGS Group

Employees

299

R&D staffs

Patents

154

Software ownership (29)

Product Detail

Product Process Control

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Product Parameters

NO	Item		Parameter
			PUL1232	PUL1235/3
1	Data of U beam before punching	Length of U beam	4000～12000 mm (+5mm)
		Inside width of U beam web	150-320 mm(+2mm)	150-340 mm (+2mm)
		U beam flange height	50-110 mm (±5mm)	60-110 mm (±5mm)
		U beam thickness	4-10 mm
		Longitudinal straightness deviation of Web surface	0.1%, ≤10mm/ overall length
		Longitudinal flatness deviation of flange surface	0.5mm/m, ≤6mm/ overall length
		Maximum twist	5mm/ overall length
		Angle between flange and web	90^o±1
2	Data of U beam after punching	Punching diameter of Web	Maximum Φ 60mm.	Maximum Φ 65mm. Minimum equals plate thickness
		The minimum distance between the centerline of the hole on the web closest to the inner surface of the flange	20mm when Hole diameter ≤ Φ 13mm 25mm when Hole diameter ≤ Φ 23 50mm when Hole diameter＞Φ 23mm
		The minimum distance between the U beam inner side web surface and the centerline of flange hole	25 mm
		The punching accuracy shall be controlled within the following range (except for the range of 200 mm at both ends) and the centerline distance accuracy between holes	Tolerance value of hole spacing in X direction: ± 0.3mm/2000mm； ±0.5mm/12000mm Tolerance value of group hole distance in Y direction：±0.3mm
		Accuracy of the Distance from hole centerline to the flange inner edge	±0.5mm
3	Module position and punching travel of punching press	Movable web CNC punching press	18 modules, straight line.
		Large web CNC punching machine	21 modules, straight line, 5 modules of more overΦ25.	21 modules, straight line, 5 modules of Φ25.
		Fixed flange CNC punching press		6 modules, straight line.
		Movable flange CNC punching machine		18 modules, straight line.
		Punching stroke of main machine	25mm
4	Production Efficiency		When the length of the U beam is 12 meters and there are about 300 holes, the punching time is about 6 minutes	When the length of the U beam is 12 meters and there are about 300 holes, the punching time is about 5.5 minutes
5	Length x Width x Height		about 31000mm x 8500mmx 4000mm.	about 37000mm x 8500mmx 4000mm.
6	Magnetic In-feeding device / Magnetic downloading device	Horizontal stroke	About 2000mm
		Move speed	about 4m/min
		Stacking height	about 500mm
		Horizontal travel	about 2000mm
		Horizontal motor power	1.5kW
		Vertical travel	About 600mm
		Vertical motor power	4kW
		Number of electromagnets	10
		Electromagnet suction force	2kN/ each
7	In feeding Manipulator	Maximum speed	40m/min
		X-axis stroke	About 3500mm
8	Movable CNC Punching Press for web	Nominal force	800kN
		Punch hole diameter types	9
		Module number	18
		X-axis stroke	about 400mm
		X-axis maximum speed	30m/min
		Y- axis stroke	about 250mm
		Y-axis maximum speed	30 m/min
		Maximum punch diameter	Φ23mm
9	CNC punching machine for large web plate	Nominal force	1700KN
		Punch type	13
		Module number	21
		Y-axis stroke	About 250mm
		Maximum speed of y-axis	30 m/min	40 m/min
		Maximum punch diameter	Φ60 mm	Φ65mm
10	Magnetic cutting device	Horizontal stroke	About 2000mm
12	Movable Flange CNC punching press	Nominal punching force	800KN	650KN
		Punching hole diameter types	9	6
		Module number	18	6
		Maximum punching diameter	Φ23mm
13	Output material manipulator	Maximum speed	40m/min
		X axis travel	About 3500mm
14	Hydraulic system	system pressure	24MPa
		Cooling mode	Oil cooler
15	Pneumatic system	working pressure	0.6 MPa
16	Electrical system		Siemens 840D SL

Magnetic feeding device includes: feeding device frame, magnetic chuck assembly, upper and lower lifting device, synchronous guide device and other parts.

The feeding channel is used to feed the U-shaped longitudinal beam, and it is composed of a fixed supporting roller table part, a rotating supporting roller part and a feeding drive roller.

Each group of rotating support raceway components consists of a fixed seart, a movable support roller, a side positioning roller, a swing cylinder, a side push roller and a side push cylinder.

Key outsourced components list

1	CNC system	Siemens 828D SL	Germany
2	Servo motor	Siemens	Germany
3	Precision linear sensor	Balluff	Germany
4	Hydraulic system	H+L	Germany
5	Other main hydraulic components	ATOS	Italy
6	Linear guide rail	HIWIN	Taiwan, China
7	Wide guide rail	HPTM	China
8	Precision ball screw	I+F	Germany
9	Screw support bearing	NSK	Japan
10	Pneumatic components	SMC/FESTO	Japan / Germany
11	Single air bag cylinder	FESTO	Germany
12	Elastic coupling without backlash	KTR	Germany
13	Frequency converter	Siemens	Germany
14	Computer	LENOVO	China
15	Drag chain	IGUS	Germany
16	Automatic lubrication device	HERG	Japan(Thin oil)

Note: The above is our standard supplier. It’s subject to be replaced by same quality components of other brand if the above supplier can’t supply the components in case of any special matter.

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