The machine is used for tempering various springs of mattress and sofa, its most remarkable superiority :even tempering ,excellent elasticity of tempered springs and high quality. therefore ,with this kinds of oven, the production efficiency of spring tempering is highly improved. with gyro wheel equipped at the bottom of its chest, the machine is easy to be installed and moved .

Model	ETR-II 0.4M3	ETR-II 0.8M3	ETR-II 1.2M3
Adjustable range of temperature	ambient temperature—300degree
Constant temperature sensitivity	±5degree
Input voltage	380v 3p
Heat treated spring quantity/once	About 3000 pieces	About 6000 pieces	About 10000 pieces
Heat treated spring time/once	45-60 min.
Fan power	0.55kw	0.55kw	0.75kw
Heating power	9kw	9kw	12kw
Working room size	710*750*750mm	800*1000*1000mm	1000*1200*1000mm