High Quality Truck Carriage Roll Forming Machine

This is our roll forming machine for truck carriage profiles. The whole frozen truck carriage need totally 10 production lines for 10 different profiles， such as top beam, side beam, door beam, side wall, decking floor, roof .

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MAIN TECHNICAL PARAMETERS

The production line start from the uncoiler for the metal coils. Electrical control cabinet adopts Siemens PLC control and touch screen , servo feeding system with high quality rollers, our rollers are completely quenched and chromed , equality with America D 2 and D3 material to assure the beautiful forming on finished profile . special design of cutting blade assure no deformation on the cutting edge .Our machines are high reputed among the big automobile factories depend on our high precision, beautiful outlook of the machine, high quality control and stable fast performance. It realized the high efficiency production and strength of the auto parts.

Main Technical Parameters:

Material：hot rolled steel plate
Yield strength of raw materials: 235Mpa
Tensile strength of raw materials: 450Mpa
Coil OD: ≤Ф1300 mm
Coil ID: Ф508
Strip width: ≤1000mm
Strip thickness: 1~1.2mm
Single roll weight: ≤7000 kg

Production process
The production line is carried out according to the following process:
Uncoiling → Leveling → Looper (Storage) → Servo Feeding, Pre-cutting → Looper (Storage) →roll forming → Spot Welding→cutting→discharging.

MAIN COMPONENTS

No	Items Name	Specifications
1	Decoiler	Single head mode, single supportCoil ID： Ф508 Coil OD： Ф1300mm Strips width： 1000 mm Max. weight： ≤7000 kg
2	Leveling Machine	5 roller levelingMaximum working speed: 20 m/min, Maximum leveling roll width: 300mm, Adapt to the maximum roll thickness: 2.0mm Motor power of leveling machine: ≈5.5Kw (subject to final design)
3	Servo Feeder	Maximum feeding speed: 20m/minMaximum allowable feeding width: ≤1000mm Allowable feeding thickness ≤1.2mm Single feeding error: ≤±0.2mm (the tolerance is not cumulative) Servo motor brand: YASKAWA, Japanese Servo motor power: ≈5.5Kw (subject to the final design)
4	Punching&Pre cutting Machine	To complete the punching of the pre-cut hole on the profile.
5	Quick Change Roll Forming Machine	There are two types of nuts on the outside of the archway: left-handed (lower shaft) and right-handed (upper shaft). Archway material: QT450. 8/13 Quotation documents Roller shaft material: 40Cr, quenched and tempered, hardness is HRC45~50 Parameters: Forming passes: 36 passes (subject to the final design) Archway sorties: 36+32=68 sorties Shaft diameter of forming machine: φ70mm (subject to final design) Motor power: 55kw Maximum linear speed: 2~8m/min
6	2 sets of spot welding machine	Structure: The main components include shearing frame, cutting die, hydraulic system, etc.The cutter mode adopts double-edged cutting. Cutter material: Cr12MoV (hardness after quenching is HRC58~62) Sizing accuracy: ±1mm
6	Hydraulic Cutting	The cutter mode adopts blanking shearingBlade material ：Cr12MoV (hardness after quenching HRC58~62) Parameter ：cutting accuracy：±1.5mm
7	Electrical Control Cabinet	PLC: MitsubishiInverter: Delta Touch screen: Vinylon (Taiwan, China) Low-voltage electrical appliances: Schneider (France) Encoder: Omron (Japan) Servo controller: Yaskawa (Japan)
8	Hydraulic System	Hydraulic system USES filter, the cleanliness of oil to ensure 6-8 grade