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Double reduction worm reducers, type Ч2

main performance specifications
overall and fitting dimensions
reference designation of reducer by order

Main performance specifications

Standard size of reducer	Reduction ratio u	*Мт, Nm**	Mass of reducer, kg
Ч2-40/63	63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000	180-264	15
Ч2-40/80		375-580	26
Ч2-63/100		500-875	70
Ч2-80/125		1075-1510	100
Ч2-80/160		1930-3380	180

Overall and fitting dimensions

Standard size of reducer	Aw_б	Аw_T	L	L₁	L₂	L₃	B	B₁	H	H₁	H₂	d
Standard size of reducer	mm
Ч2-40/63	40	63	350	220	180	100	196	165	232	82	5	13
Ч2-40/80	40	80	380	260	225	125	212	185	267	92	5	15
Ч2-63/100	63	100	420	240	200	225	175	140	312	100	18	19
Ч2-80/125	80	125	510	275	230	230	230	190	396	111	22	19
Ч2-80/160	80	160	585	350	300	280	280	230	500	140	30	22

Reference designation of reducer by order:

Reducer Ч2-40/80-1600-21-21-Ц-УЗ, where:

Ч2 - type of reducer;
40 - distance between axes of high-speed stage, mm;
80 - distance between axes of low-speed stage, mm;
1600 - reduction ratio;
21 - assembly configuration;
21 - version of worm-and-worm gear placing;
Ц - version of low-speed shaft end;
УЗ - climatic version and category of placing according to GOST -15150-69.

Note
The dimensions of input and output shaft ends are represented in the drawings and tables for the gear motors, type Ч and 2Ч.
Additionally according to customer choice the reducers 2Ч are completed with the electric motors of line АИР, 5А (type of gear motor МЧ2).