MDK series (2-stage)

Heavy Duty right angel Hypoid gearbox
Black coated steel housing, aluminum output and motor adapter flange
Steel output shaft, flange ISO 9409
Helical gear technology
Nominal Torques:
- T_2N : 24 Nm - 6.675 Nm
Ratios
- 2-stage : 12 / 15 / 16 / 20 / 25 / 28 / 35 / 40 / 49 / 50 / 70 / 100
Low Backlash
- 2-traps : ≤ 4 arcmin
High Efficiency
- 2-stage : ≥ 94%
Easy mount
Low noise
Compact structure
Sizes available: MDK064 / MDK090 / MDK110 / MDK140 / MDK200 / MDK255 / MDK285 / MDK355

Model		Stage	Ratio¹	MDK064	MDK090	MDK110	MDK140	MDK200	MDK255	MDK285	MDK355
Nominal output torque T_2N	Nm	2	12	80	195	365	805	1,495	1,680	3,280	-
			15	-	-	-	-	-	2,005	3,675	6,510
			16	80	185	350	775	1,510	1,680	3,280	-
			20	75	180	335	750	1,520	1,780	3,710	6,570
			25	80	195	350	710	1,320	1,775	3,735	6,615
			28	75	170	320	720	1,465	1,560	3,000	-
			35	80	190	355	715	1,330	1,950	3,750	6,675
			40	72	160	305	680	1,405	1,440	2,400	-
			49	63	135	290	585	1,105	1,680	2,685	5,470
			50	85	185	345	725	1,345	1,800	3,000	5,500
			70	63	135	295	600	1,130	1,710	2,730	5,560
			100	24	57	160	350	605	915	1,590	3,315
Emergency stop torque T_2NOT	Nm	2	4~100	2 times nominal output torque T_2N
Max. Acceleration torque T_2B	Nm	2	4~100	1,5 times nominal output torque T_2N
No load running torque ⁽²⁾	Nm	2	12~100	1	1,3	2	3,1	6	13	16	20
Backlash ⁽³⁾	arcmin	2	12~100	≤ 4	≤ 4	≤ 4	≤ 4	≤ 4	≤ 4	≤ 4	≤ 4
Torsional rigidity	Nm/ arcmin	2	12~100	12	27	56	112	389	642	1,275	2,500
Nominal input speed N_1N	rpm	2	12~100	3,000	3,000	2,800	2,700	2,200	2,100	2,000	1,600
Max. input speed N_1B	rpm	2	12~100	6,000	6,000	6,000	4,500	4,500	4,000	3,000	2,500
Max. radial load F_2a ⁽⁴⁾	N	2	12~100	1,690	2,220	4,070	8,530	17,000	26,900	39,200	101,500
Max. Bending moment M_2k⁽⁴⁾	Nm	2	12~100	120	280	480	1,310	3,530	5,920	9,230	29,100
Operating temperature	ºC	2	12~100	-10ºC ~+ 90ºC
Degree of Protection		2	12~100	IP65
Lubrication		2	12~100	Synthetisch lubrication grease
Mounting position		2	12~100	All directions
Running noise ⁽³⁾	dB(A)	2	12~100	≤ 64	≤ 66	≤ 68	≤ 68	≤ 70	≤ 70	≤ 72	≤ 74
Efficiency	%	2	12~100	≥ 94 %

Ratio ( i = N in / N out )
Backlash is measured at 2% of Nominal output torque T_2N.
These values are measured by gearbox with ratio = 10 (1-stage) or ratio = 100 (2-stage) at 3.000 rpm without load.
Applied to the output flange center at 100 rpm.
Continuous operation is not recommended.

Maximum tilting moment:

Size		MDK064	MDK090	MDK110	MDK140	MDK200	MDK255	MDK285	MDK355	MDK450
Z2 (mm)		63.7	84.5	106.2	90	122.8	133.2	175.5	220.6	275.3

Applied to the output flange center at 100 rpm.

(1) ø = Input shaft diameter

MDK 2-stage series: