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Single-reduction universal worm reducers, type 1Ч

assembly configurations of reducers
versions of worm-and-worm gear placing
main performance specifications
dimensions of shaft ends
overall and fitting dimensions
reference designation of reducer by order

Assembly configurations of reducers

Versions of worm-and-worm gear placing

Main performance specifications

Standard size of reducer	Reduction ratio u	*Мт, Nm**	Mass of reducer, kg
1Ч-63	8, 10, 12.5, 16, 20, 25, 31.5,4 0, 50, 63, 80	100-250	17
1Ч-160	8, 10, 12.5, 16, 20, 25, 31.5,4 0, 50, 63, 80	1300-3970	120

Dimensions of shaft ends

Input shaft

Output shaft (type 1Ч-160)

Overall and fitting dimensions

Standard size of reducer	Aw	L	L₁	L₂	L₃	L₄	B	B₁	H	H₁	d	d₁
Standard size of reducer	mm
1Ч-63	63	238	168	135	142,5	161	165	130	207	69	14	18
1Ч-160	160	492	350	300	285	280	280	230	465	140	22	40

Standard size of reducer	d₂	d₃	l	l₁	b	t	l₂	l₃	d₄	d₅	b₁	t₁
Standard size of reducer	mm
1Ч-63	-	20.5	40	-	5	-	-	-	-	-	-	-
1Ч-160	М12	37.3	82	24	10	8	140	105	70	64.75	18	11

Reference designation of reducer by order:

Reducer 1Ч-160-25-53-2-К-УЗ, where:

1Ч - type of reducer;
160 - distance between axes, mm;
25 - reduction ratio;
53 - assembly configuration;
2 - version of worm-and-worm gear placing;
К - version of low-speed shaft end;
УЗ - climatic version and category of placing according to GOST -15150-69.

Note
Version of low-speed shaft end can be:
1Ч-63 - cylindrical - Ц, hollow - П;
1Ч-160 - tapered - К (standard execution), hollow - П, cylindrical - Ц (coordinated additionally by order).