M1320H and M1420H type cylindrical grinder machine

M1320H and M1420H type cylindrical grinder machine is a new imprved production which learn advantage from each large grinding machine professional manufacturing unit based on MQ1320 and MQ1420 cylindrical grinder machine OF Shanghai machine tool plant. It has high cutting precision, strong rigidity, high-efficiency ,etc. And it has high performance and price ratio in the similar machine.

Specification
Description	Model
	Unit		M1320H*500		M1320H*800		M1420H*500	M1420H*800
External grinding diameters	Mm		Φ8-200		Φ8-200		Φ8-200	Φ8-200
Intemal grinding diameters	mm						Φ13-100	Φ13-100
Center height	mm		135		135		135	135
Max. Travel of table	Mm		650		950		650	950
Hydraulic traverse speeds	M/min		0.1-4		0.1-4		0.1-4	0.1-4
Max. Workpiece weight	Kg		50		50		50	50
Grinding length extmal/intemal	Mm		500		800		500/125	800/125
Swivel range of grinding wheel	°		-5~+9°		-3~+7°		-5~+9°	-3~+8°
Max peripheral speed of grinding wheel	M/S		38		38		38	38
External wheel size	Mm		Max Φ400(280)*50*203				Max Φ400(280)*50*203
Intemal wheel spindle rotating-speed	R/min						20000	20000
Workhead and tailstock center	Morse		NO.4		NO.4		NO.4	NO.4
Machine motor power	Kw		5.625		5.625		5.625	5.625
Overall dimensions(L*W*H)	Mm		2500*1600*1500		3000*1600*1500		2500*1600*1500	3000*1600*1500
Machine weight	Kg		2500		3000		2500	3000
Working accuracy
Roundness		1.5um(O.D)				1.5/2.5um(O.D/I.D)
Uniformity of dia .in longitudinal section		5um(O.D)				5/8um(O.D/I.D)
Surface roundness		Ra≤0.32um(O.D)				Ra0.32/0.63um(O.D/I.D)
Main accessories
Coolant tank                              1set				Open type steady rest                   1set
Grinding wheel dresser                     1set				Driving dog                           1set
Wheel balancing mandrel                    2set				Carbide-tipped center                   2pcs
Wheel flanges                             1set				Supportiron                           3pcs
Chunk base            M1420H          1pcs				Quill shaft for intemal grinding   M1420H 2set
Three jaw chunk        M1420H           1set				Internal grinding    M1420H           1set
Extra accessories
Wheel balancing stand                      1set				Radius dresser                        1set
Center rest close type                       1set

This machine used for grinding various kinds the cylinder, inside and outside roundof cone and endface of small and medium-size components.

Pefromance:
.High precision universal cylindrical grinding machine; 
.High precise alignment of spindle head and solid support ensure ideal machining results with various grinding processes;
.Versatility due to table, headstock, and grinding headstock swivel;
.Wide speed range of workpiece spindle;
.Stable running without noise can be achieved because of adopting screw pump in hydraulic system;
.High rotating precision and strong rigidity can be obtained by sleeve-type whole-tile moving hydraulic bare shaft system on the spinlde of wheel head;
.Slideway is covered by the plastic so it can gain slow speed running and high immunity to vibration;
.The models with MGB can be perform high precision semi automatic cutting, longitudinal grinding to make high precision parts by using limited stroke or controlled by process gauge in small batch or mass production;
.For models with MGB, all grinding function and sequences of action during processing cycle are controlled by programmable logical controller (PLC);
.Quality by CE certificate.

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