Decoiler mandrel head

Product description

Decoiler mandrel head, payoff reel mandrel head, including segments, sleeve, forged 40CrNiMo,customized manufacture;

• Segments: material forged 40CrNiMo, with nitriding treatment, 57-61HRC;
• Hollow unwinder shaft: material forged 40CrNiMo, with nitriding treatment, 57-61HRC;

	Chemical Composition（%）
	C	Si	Mn	S	P	Cr	Ni	Cu	Mo
40CrNiMo	0.37~0.44	0.17~0.37	0.50~0.80	≤0.025	≤0.025	0.60~0.90	1.25~1.65	≤0.25	0.15~0.25

GENERAL INTRODUCTION OF MANDREL & SPARE PARTS

Mandrel shaft is the important component of Tension reel(recoiler) and Payoff reel(uncoiler). Mandrel shaft, Tension reel, Payoff reel, these are our core business.

Mandrels has various structures according to different applications. Generally,one assembly mandrel components include: main shaft(arbor), segments, spreader(sleeve),wedges,pull rod, outboard bearing support, hydraulic cylinder and rotary joint unit; we not only manufacture assembly mandrels, but also manufacture mandrel’s spare parts.

Application

All expanding and collapsed mandrels we manufactured work for steel and other non-ferrous cold rolling mill and hot rolling mill and coil processing lines, such as pickling line, galvanizing line, color coating line, annealing line, cut to length line, slitting line, rewinding line, tension leveling line,etc.

OEM

Our technical team could design and manufacture mandrels according to your specific application. Even you don’t have drawings, just tell us related parameters, we will meet and exceed your expectations.