Metric Ground Worm Shafts, Worm Gears Module 1~1.5

Quality Transmission is the largest North American supplier of off-the-shelf metric gearing.

Specifications
Catalog No.	KWG	AG
Precision grade	KHK W 001 grade 2	KHK W 002 grade 2
Reference section of gear	Axial	Rotating plane
Gear teeth	JIS 3 type Standard full depth	Standard full depth
Normal pressure angle	20	20
Material	SCM440 (Alloy steel)	ABC2 (Aluminum bronz)
Heat treatment	Teeth induction hardened after normalizing	-
Surface hardness	HRC5055	-
Surface treatment	Black oxide except ground surfaces	-
Surface finish	Ground	Cut
Datum reference surface for gear cutting and grinding	Shaft (ground portion)	Bore

Module 1 Ground Worm Shafts

Catalog No.	Number of start	Hand of thread	Total length	Shaft length (L)	Neck length (L)	Face width	Neck length (R)	Shaft length (R)	Pitch dia.	Outside dia.	Neck length	Shaft dia.	Shape	Weight (kgf)
Catalog No.	Number of start	Hand of thread	J	K	L	M	N	O	P	Q	R	S	Shape	Weight (kgf)
KWG1-R1 [ DXF\|DWG \| 3D CAD] KWG1-R2 [ DXF\|DWG \| 3D CAD]	1 2	R R	140 140	35 35	10 10	30 30	10 10	55 55	16 16	18 18	13 13	18 18	W6 W6	0.25 0.25

Lead Angle R1 3

35' R2 7

08'

Module 1 Worm Gears

Catalog No.	Reduction ratio	No. of teeth	Number of start	Hand of thread	Bore	Hub dia.	Pitch dia.	Throat dia.	Outside dia.	Face width	Hub width (R)	Hub width (L)	Total length	Web thickness	Web O.D.	Mounting distance	Shape	Allowable torque (kgfm)	Allowable torque (Nm)	Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Reduction ratio	No. of teeth	Number of start	Hand of thread	A_H7	B	C	D	D'	E	F	F'	G	H	I	J	Shape	Surface durability	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
AG1-20R1 [ DXF\|DWG \| 3D CAD] AG1-20R2 [ DXF\|DWG \| 3D CAD] AG1-30R1 [ DXF\|DWG \| 3D CAD] AG1-30R2 [ DXF\|DWG \| 3D CAD] AG1-40R1 [ DXF\|DWG \| 3D CAD]	1/20 1/10 1/30 1/15 1/40	20 20 30 30 40	1 2 1 2 1	R R R R R	6 6 6 6 8	16 16 20 20 26	20 20 30 30 40	22 22 32 32 42	23 23 33 33 43	10 10 10 10 10	10 10 10 10 10	- - - - -	20 20 20 20 20	- - - - -	- - - - -	18 18 23 23 28	H1 H1 H1 H1 H1	0.19 0.17 0.41 0.38 0.73	1.83 1.68 4.05 3.72 7.12	0.10.17 0.10.17 0.10.17 0.10.17 0.10.17	0.05 0.05 0.08 0.08 0.15	AG1-20R1 AG1-20R2 AG1-30R1 AG1-30R2 AG1-40R1
AG1-50R1 [ DXF\|DWG \| 3D CAD] AG1-60R1 [ DXF\|DWG \| 3D CAD]	1/50 1/60	50 60	1 1	R R	8 10	30 35	50 60	52 62	53 63	10 10	10 10	- -	20 20	- -	- -	33 38	H1 H1	1.11 1.57	10.93 15.44	0.10.17 0.10.17	0.23 0.32	AG1-50R1 AG1-60R1

NOTE:	Allowable torques shown in the table are the calculated values according to JGMA Standards 405-01 when the worm is rotating at 600 rpm, The table below shows the allowable worm gear torques at selected worm speeds.
*NOTE:*	The shaft O.D., S, has the tolerance +0.2/+0.1 except where ground +0.40/+0.35.

AG1 Allowable Worm Gear Torques(kgfm)

Catalog No.	Worms rpm
Catalog No.	30	100	300	600	900	1200	1800
AG1-20R1 AG1-20R2 AG1-30R1 AG1-30R2 AG1-40R1 AG1-50R1 AG1-60R1	0.34 0.34 0.72 0.72 1.23 1.87 2.61	0.28 0.27 0.61 0.60 1.04 1.58 2.22	0.23 0.21 0.49 0.47 0.86 1.31 1.84	0.19 0.17 0.41 0.38 0.73 1.11 1.57	0.17 0.15 0.37 0.34 0.65 1.01 1.44	0.15 0.14 0.34 0.31 0.60 0.93 1.32	0.13 0.12 0.30 0.27 0.52 0.81 1.16

Module 1.5 Ground Worm Shafts

Catalog No.	Number of start	Hand of thread	Total length	Shaft length (L)	Neck length (L)	Face width	Neck length (R)	Shaft length (R)	Pitch dia.	Outside dia.	Neck length	Shaft dia.	Shape	Weight (kgf)
Catalog No.	Number of start	Hand of thread	J	K	L	M	N	O	P	Q	R	S	Shape	Weight (kgf)
KWG1.5-R1 [ DXF\|DWG \| 3D CAD] KWG1.5-R2 [ DXF\|DWG \| 3D CAD]	1 2	R R	190 190	50 50	15 15	40 40	15 15	70 70	25 25	28 28	21 21	26 26	W6 W6	0.74 0.74

Lead Angle R1 3

26' R2 6

51'

Module 1.5 Worm Gears

Catalog No.	Reduction ratio	No. of teeth	Number of start	Hand of thread	Bore	Hub dia.	Pitch dia.	Throat dia.	Outside dia.	Face width	Hub width (R)	Hub width (L)	Total length	Web thickness	Web O.D.	Mounting distance	Shape	Allowable torque (kgfm)	Allowable torque (Nm)	Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Reduction ratio	No. of teeth	Number of start	Hand of thread	A_H7	B	C	D	D'	E	F	F'	G	H	I	J	Shape	Surface durability	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
AG1.5-20R1 [ DXF\|DWG \| 3D CAD] AG1.5-20R2 [ DXF\|DWG \| 3D CAD] AG1.5-30R1 [ DXF\|DWG \| 3D CAD] AG1.5-30R2 [ DXF\|DWG \| 3D CAD] AG1.5-40R1 [ DXF\|DWG \| 3D CAD]	1/20 1/10 1/30 1/15 1/40	20 20 30 30 40	1 2 1 2 1	R R R R R	8 8 10 10 12	22 22 30 30 35	30 30 45 45 60	33 33 48 48 63	34.5 34.5 49.5 49.5 64.5	14 14 14 14 14	10 10 10 10 10	- - - - -	24 24 24 24 24	- - - - -	- - - - -	27.5 27.5 35 35 42.5	H1 H1 H1 H1 H1	0.54 0.5 1.19 1.1 2.1	6.3 4.87 11.71 10.76 20.59	0.120.19 0.120.19 0.120.19 0.120.19 0.120.19	0.09 0.09 0.27 0.27 0.43	AG1.5-20R1 AG1.5-20R2 AG1.5-30R1 AG1.5-30R2 AG1.5-40R1
AG1.5-50R1 [ DXF\|DWG \| 3D CAD] AG1.5-60R1 [ DXF\|DWG \| 3D CAD]	1/50 1/60	50 60	1 1	R R	12 12	45 50	75 90	78 93	79.5 94.5	14 14	10 10	- -	24 24	- -	- -	50 57.5	H1 H1	3.22 4.55	31.6 44.65	0.120.19 0.120.19	0.68 0.95	AG1.5-50R1 AG1.5-60R1

*CAUTION:*	Before assembling or performing any secondary operations, please carefully read the "Application Hints" at the beginning of this section.
*CAUTION:*	Do not take heavy cuts when performing secondary operations on worm shafts to avoid bending them.

AG1.5 Allowable Worm Gear Torques(kgfm)

Catalog No.	Worms rpm
Catalog No.	30	100	300	600	900	1200	1800
AG1.5-20R1 AG1.5-20R2 AG1.5-30R1 AG1.5-30R2 AG1.5-40R1 AG1.5-50R1 AG1.5-60R1	1.00 0.99 2.12 2.11 3.63 5.49 7.68	0.83 0.80 1.78 1.75 3.06 4.63 6.51	0.65 0.60 1.42 1.33 2.46 3.76 5.29	0.54 0.50 1.19 1.10 2.10 3.22 4.55	0.48 0.43 1.06 0.97 1.87 2.89 4.12	0.43 0.39 0.96 0.88 1.69 2.63 3.75	0.38 0.33 0.84 0.76 1.49 2.30 3.30

Quality Transmission Components
E-Mail: qtcsupport@qtcgears.com
Phone: 516-437-6700
Fax: 800-737-7436 or 516-328-3343

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