Catalogue - Gearboxes - Ondrives - (Version JPG)

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Screw jack, Bevel gear reducer, Worm gear reducer, Gear reducer, Shaft collar

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	*e-cad*	PF20-NM
iVf W Precision Worm Gear Reducers Nema 17 Flange Input 1.25Nm - 5Nm *5:1 - 120:1*	*Available*	PF20-NM

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(4) 3.5 Thru \ —I C/BORE-! [—

03.5x3

It PF20ANM version (low backlash) output is on eccentric so centres will vary.


Part Number			■ I		Reflected Inertia	Self	Price Each 1 - 5
Standard	Low Backlash		■ I	Efficiency at	at Input	Locking		Low
<30'	<8'	Ratio		1000 Rpm	(kg.m²)	Output	Standard	Backlash
PF20-10NM	PF20-10ANM	10:1		86%	2.53 x 10^-7		£121.13	£201.35
PF20-12NM	PF20-12ANM	12:1		85%	2.43 x 10^-7	X	£121.13	£201.35
PF20-15NM	PF20-15ANM	15:1		84%	2.35 x 10^-7	X	£121.13	£201.35
PF20-20NM	PF20-20ANM	20:1		78%	2.28 x 10^-7	X	£121.13	£201.35
PF20-30NM	PF20-30ANM	30:1		71%	2.24 x 10^-7	X	£121.13	£201.35
PF20-60NM	PF20-60ANM	60:1		60%	2.21 x 10^-7	✓	£121.13	£201.35
PF20-120NM PF20-120ANM		120:1		32%	2.00 x 10^-7	✓	£121.13	£201.35
PF20-SPNM	PF20-SPANM	5:1-120:1		Special Ratios: Replace SP with required ratio			£150.22	£201.35

Material

Output Torque Nm

See Technical for component material specifications and standards.

Reduction Ratio

Performance

Weight: 0.23kg. Greased for life: Shell Nerita Grease HV. Self Locking Output: Subject to ratio and only applies in static condition. Amount of locking effect may vary due to manufacturing processes. Maximum Overhung and Thrust Loads at 1000rpm: Output Overhung Load (Fxa) = 12kg. Output Thrust Load (Fa) = 5kg

Extras


Input	10:1	12:1	15:1	20:1	30:1	60:1	120:1
3000	1.40	1.50	1.60	1.70	1.90	2.10	1.25
2000	1.70	1.70	1.80	1.80	2.10	2.40	1.42
1000	2.10	2.30	2.30	2.50	2.70	2.90	1.70
500	2.70	2.70	2.80	2.90	3.20	3.50	1.94
200	3.40	3.50	3.50	3.70	3.90	4.10	2.27
100	3.90	3.90	4.10	4.20	4.30	4.50	2.55
50	4.40	4.50	4.50	4.60	4.70	4.80	2.72
10	4.80	4.80	4.90	4.90	5.00	5.00	2.72

Output Shafts: P20-X (single): £11.95 P20-DX (double): £15.70. Output Key: KK2-22 £0.76.

Other Info.

Modifications and custom designed gearboxes available. Contact Sales for details.

Testing in your applications is necessary. You will need to assess duty, cycles and confirm gearbox suitability with your own calculations. Torque figures are to be used for guidance only.

ondrives

+44 (0)1246 455500 +44 (0)1246 455522

H sales@ondrives.com A www.ondrives.com

Product information updated 1st April 2008 and subject to change. Please contact Sales for an accurate price and delivery.

Gearboxes - Ondrives - #4

Screw jack, Bevel gear reducer, Worm gear reducer, Gear reducer, Shaft collar