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parabolic rolling machine, roller driven by hydraulic device or by mechanical device, automatic line or semi automatic line - details see: https://www.machineto.com/parabolic-rolling-machine-10360120

BZS Mechanical Driven Parabolic Rolling Machine

This mechanical driven parabolic rolling machine is specially designed for light and medium leaf spring parabolic roiling as well as some kinds of heavy spring rolling. It has the advantage of lower investment cost, smaller motor capacity for lower working cost, easy to operate and easy to maintenance and etc.

The PLC control makes the rolling without any die to roll different types of shapes.

All what you do is just to enter a few parameters in the computer..

The Bosch hydraulic ratio servo valve is reliable and has fine anti-pollution functions.

To meet different requirement of users, we offer semi Automatic or fully automatic line on option. The basic semi-Automatic line could just has a furnace and a rolling mill. The automatic device could add furnace loader, manipulator after rolling, straightening device, end cutting device, center hole punching device, cooling conveyer, stacking device and so on,

Main parameters for rolling mill.

1	Horizontal rolling force max		980KN
2	Vertical rolling force max		100KN
3	Useful diameter of horizontal rollers		200-180mm
4	Useful diameter of vertical rollers		120-100mm
5	Speed of horizontal rollers		30rpm
6	Max thickness of plate		60mm
7	Min thickness of plate before rolling		5mm
8	Max width of plate before rolling		120mm
9	Min width of plate before rolling		40mm
10	Length of plate before rolling		2500-780mm
11	Max rolled length of plate		1300mm
12	Tolerance of rolled thickness		<±0.15mm
13	Tolerance of rolled width		<±0.50mm
14	Rolling efficiency	2 strokes	≤35secs/end
		3strokes	≤45secs/end
		4 strokes	≤55secs/end
15	Motor power of rolling system		37kw
16	Motor power of hydraulic unit		30kw*2

End heating furnace

Heating Furnace for Parabolic Rolling Machine

1	Contour sizes (mm)	5800 ×2300 ×1640mm (L×W×H)
2	Max. Capacity of furnace	3 pcs/min (standard leaf 16*90*500mm)
3	Effective heating length	200~900mm
4	Heating temperature	900~1000°C
5	Accuracy of temperature control	±10°C (controlled automatically)
6	Fuel	LPG or natual gas
7	Way of loading	Walking beam step loading
8	Burners	KromSchroder
9	The temperature control is done via two ways	Thermocouple (the main measuring device) Infrared Pyrometer (TXCHTSF) (the secondary measuring device)
10	Temperature controller	SHIMADEN, serial SR93. with highest temperature setting.