Plastic Spur Gears With Stainless Steel Core

Plastic Spur Gears with Stainless Steel Core

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Product Details

Plastic Spur Gears with Stainless Steel Core

Materials

Type	[ M ]Material		[ A ]Accessories
	Gears	Metal Hub Insert
HZPTM	MC Nylon	-	Set Screw (4137 Alloy Steel, Black Oxide)
HZPTMS		1045 Carbon Steel
HZPTMT		304 Stainless Steel	Set Screw (304 Stainless Steel)
HZPTP	Polyacetal	-	Set Screw (4137 Alloy Steel, Black Oxide)
HZPTPS		1045 Carbon Steel
HZPTPT		304 Stainless Steel	Set Screw (304 Stainless Steel)

[ ! ]Set Screw is not included in products with Gear Shape A.

Caution on Product Characteristics] ① Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H8 when produced),

tooth diameter, and backlash. Please see the section “Design of Plastic Gears” in separate technical reference book.

② The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please ask for more details.

③ When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear.

④ Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears.

⑤ The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh

Specifications

Part Number	-	Number of Teeth	-	B	-	Gear Shape	-	P
HZPTM1.0 HZPTPS2.0 HZPTM0.5	- - -	20 40 20	- - -	10 20 8	- - -	A B K	- - -	8 20 7

[ ! ]When gear shape is not specified, Module 1.0 with 18 or more number of teeth and Module 1.5, 2.0, 2.5, 3.0 will be Shape B.

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. P_H7		d Reference Dia.	D Tip Dia.	G Root Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	d₁	*1. Allowable Transmission Force (N·m) Bending Strength
Type	Module	Number of Teeth	B	Gear Shape	W/o Metal Hub Insert	With Metal Hub Insert	d Reference Dia.	D Tip Dia.	G Root Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	d₁	MC Nylon	Polyacetal
HZPTM (MC Nylon) HZPTP (Polyacetal) HZPTMS (With Metal Hub Insert, MC Nylon) HZPTPS (With Metal Hub Insert, Polyacetal) HZPTMT (Stainless Steel with Metal Hub Insert, MC Nylon) HZPTPT (Stainless Steel with Metal Hub Insert, Polyacetal)	0.5	*15	8	K	3~5	-	7.5	8.5	6.25	9	18	10	3	M3	-	0.08	0.33
		*16			3~5		8	9	6.75	9						0.09	0.36
		*18			3~7		9	10	7.75	10						0.11	0.42
		*20			3~7		10	11	8.75	11						0.12	0.49
		*20	3	B	3~5		10	11	8.75	8.5	8 (B=3) 7 (B=2)	5	2.5			0.05	0.18
		*24			3~7		12	13	10.75	10						0.06	0.23
		*25					12.5	13.5	11.25							0.06	0.24
		*28					14	15	12.75							0.07	0.28
		*30					15	16	13.75							0.08	0.31
		*32					16	17	14.75							0.08	0.33
		*36					18	19	16.75							0.10	0.39
		*40	2 3				20	21	18.75							0.11	0.44
		*45					22.5	23.5	21.25							0.13	0.51
		*48					24	25	22.75							0.14	0.55
		*50					25	26	23.75							0.15	0.58
		*56	3				28	29	26.75							0.17	0.67
		*60					30	31	28.75							0.18	0.73
		*64					32	33	30.75							0.20	0.78
		*70			3~8		35	36	33.75	12						0.22	0.86
		*72					36	37	34.75							0.22	0.89
		*80					40	41	38.75							0.25	0.99
		*90			3~9		45	46	43.75	14						0.28	1.13
		*100					50	51	48.75							0.32	1.27
		*120					60	61	58.75							0.39	1.54
	0.8	*12	7	K	4~7	-	9.6	11.2	7.6	11.2	20	13	3	M3	-	0.13	0.50
		*14			4~8		11.2	12.8	9.2	12.8						0.17	0.66
		*15			4~9		12	13.6	10	13.6						0.18	0.73
		*16	5	B	4~7		12.8	14.4	10.8	10	14	9				0.15	0.58
		*18					14.4	16	12.4							0.17	0.67
		*20					16	17.6	14							0.20	0.78
		*24			5~8		19.2	20.8	17.2	12.5						0.25	0.98
		*25					20	21.6	18							0.26	1.04
		*28					22.4	24	20.4							0.30	1.20
		*30					24	25.6	22							0.33	1.30
		*32					25.6	27.2	23.6				4			0.36	1.42
		*36			6~9		28.8	30.4	26.8	14				M4		0.42	1.65
		*40					32	33.6	30							0.47	1.88
		*45					36	37.6	34							0.55	2.18
		*48					38.4	40	36.4							0.59	2.36
		*50					40	41.6	38							0.63	2.49
		*56					44.8	46.4	42.8							0.72	2.85
		*60					48	49.6	46							0.78	3.11
		*64					51.2	52.8	49.2							0.84	3.33
		*70			6~11		56	57.6	54	16						0.92	3.66
		*72					57.6	59.2	55.6							0.95	3.78
		*80					64	65.6	62							1.07	4.24
		*90			6~14		72	73.6	70	20						1.21	4.83
		*100			6~16		80	81.6	78	24						1.37	5.43
		*120			6~21		96	97.6	94	30						1.66	6.58
	1.0	15	12	A	6~10	6	15	17	12.5	-	-	-	-	-	P+4	0.49	1.71
		*16	12	K	8~12	-	16	18	13.5	18	25	13	3	M3	-	0.54	1.89
		18	10	A B	8~10	8	18	20	15.5	15	20	10	4	M4	P+4	0.53	1.84
		20			8~11		20	22	17.5	16						0.61	2.13
		22			8~12		22	24	19.5	18						0.69	2.41
		24			8~14	8, 10	24	26	21.5	20						0.77	2.69
		25			8~14		25	27	22.5	20						0.82	2.84
		26			8~15		26	28	23.5	22						0.86	3.00
		28			8~15		28	30	25.5	22						0.94	3.28
		30			10~17	10, 12	30	32	27.5	25						1.03	3.56
		32			10~18		32	34	29.5	26						1.11	3.87
		35			10~18		35	37	32.5	26						1.25	4.34
		36			10~19	10, 12, 15	36	38	33.5	28						1.30	4.51
		40			10~21		40	42	37.5	30						1.48	5.15
		45					45	47	42.5							1.71	5.95
48		48					50	45.5	1.86							6.45
50		10~24			10, 12, 15,20	50	52	47.5	35	1.96						6.80
55						55	57	52.5		2.20						7.63
60						60	62	57.5		2.44						8.49
70		10~28				70	72	67.5	40	2.88						10.02
75						75	77	72.5		3.11						10.80
80						80	82	77.5		3.33						11.59
90						90	92	87.5		3.80						13.19
100						100	102	97.5		4.27						14.84
120						120	122	117.5		5.18						17.99
1.5	15	15	A B	8~12	8	22.5	25.5	18.75	18	24	9	3	M3	P+4	1.38	3.16
	16			8~14	8, 10	24	27	20.25	20	24	9	3	M3		1.53	3.50
	18			8~15	8, 10	27	30	23.25	22	27	12	4	M4		1.79	4.08
	20			8~17	8, 10, 12	30	33	26.25	25						2.07	4.73
	24			8~21	8, 10, 12,15	36	39	32.25	30						2.61	5.97
	25			8~21		37.5	40.5	33.75	30						2.76	6.30
	26			8~22		39	42	35.25	32						2.91	6.65
	28			8~23		42	45	38.25	34						3.18	7.27
	30			8~24	8, 10, 12,15, 20	45	48	41.25	35						3.46	7.90
	32			8~28		48	51	44.25	40						3.76	8.58
	35			8~28		52.5	55.5	48.75							4.22	9.63
	36			8~28		54	57	50.25							4.38	10.00
	40			10~31	10, 12, 15,20, 25	60	63	56.25	45						5.00	11.42
	45			10~31		67.5	70.5	63.75							5.78	13.20
	48			10~31		72	75	68.25							6.27	14.31
	50			10~31		75	78	71.25							6.60	15.08
	60			10~35		90	93	86.25	50						8.24	18.83
	70			12~35	12, 15, 20,25	105	108	101.25	50						9.72	22.21
	80			12~38	12, 15, 20,25	120	123	116.25	55						11.25	25.70

[ NG ]Number of Teeth with *is not With Metal Hub Insert Type.
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions >> Click here Module 0.5 with 40~50 teeth are calculated as tooth width 3mm.

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. P_H7		d Reference Dia.	D Tip Dia.	G Root Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	d₁	*1. Allowable Transmission Force (N·m) Bending Strength
Type	Module	Number of Teeth	B	Gear Shape	W/o Metal Hub Insert	With Metal Hub Insert	d Reference Dia.	D Tip Dia.	G Root Dia.	H	L	ℓ₁	ℓ₂	M (Coarse)	d₁	MC Nylon	Polyacetal
HZPTM (MC Nylon) HZPTP (Polyacetal) HZPTMS (With Metal Hub Insert, MC Nylon) HZPTPS (With Metal Hub Insert, Polyacetal) HZPTMT (Stainless Steel with Metal Hub Insert, MC Nylon) HZPTPT (Stainless Steel with Metal Hub Insert, Polyacetal)	2.0	*12	20	A B	10~12	-	24	28	19.0	18	34	14	4	M4	-	2.25	2.45
		14			10~14	10	28	32	23.0	20					P+4	2.96	3.23
		15			10~16	10, 12	30	34	25.0	24						3.28	3.59
		16			10~17	10, 12, 15	32	36	27.0	25						3.63	3.97
		18			10~21		36	40	31.0	30						4.24	4.63
		20			10~23		40	44	35.0	33						4.91	5.36
		24			10~28	10, 12, 15,20	48	52	43.0	40						6.19	6.77
		25			10~28	10, 12, 15,20	50	54	45.0	40						6.54	7.15
		28			10~31	10,12, 15,20, 25	56	60	51.0	45						7.54	8.24
		30			10~33	10,12, 15,20, 25	60	64	55.0	48						8.20	8.96
		32			12~35	12, 15, 20, 25, 30	64	68	59.0	50						8.91	9.73
		35			12~35		70	74	65.0							9.99	10.92
		36			12~35		72	76	67.0							10.38	11.34
		40			12~42		80	84	75.0	60						11.86	12.95
		45					90	94	85.0							13.70	14.97
		48					96	100	91.0							14.85	16.23
		50					100	104	95.0							15.65	17.1
		60					120	124	115.0							19.54	21.35
HZPTM (MC Nylon) HZPTMS (With Metal Hub Insert, MC Nylon) HZPTMT (Stainless Steel with Metal Hub Insert, MC Nylon)	2.5	12	25	A B	10~16	10	30	35	23.75	23	37	12	6	M5	P+6	4.39	-
		14			10~17	10	35	40	28.75	25						5.77
		15			12~21	10, 12, 15	37.5	42.5	31.25	30						6.41
		16			12~22	10, 12, 15	40	45	33.75	32						7.09
		18			12~26	10, 12, 15,20	45	50	38.75	38						8.28
		20			12~28	10, 12, 15,20	50	55	43.75	40						9.59
		22			12~30	12, 15, 20	55	60	48.75	44				M6	P+8	10.84
		24			12~33	12, 15, 20,25	60	65	53.75	48						12.10
		25			12~35	12, 15, 20,25	62.5	67.5	56.25	50						12.78
		28			12~42	12, 15, 20,25, 30	70	75	63.75	60						14.73
		30			12~45	12, 15, 20,25, 30	75	80	68.75	65						16.02
		32			15~49	15, 20, 25,30, 35	80	85	73.75	70						17.40
		35					87.5	92.5	81.25							19.52
		36					90	95	83.75							20.27
		40					100	105	93.75							23.15
		45					112.5	117.5	106.25							26.76
		48					120	125	113.75							29.01
		50					125	130	118.75							30.57
	3.0	12	30	A B	12~19	12	36	42	28.5	28	45	15	7.5	M5	P+6	7.58	-
		14			12~22	12, 15	42	48	34.5	32						9.98
		15			14~25	12, 15	45	51	37.5	36						11.08
		16			14~26	12, 15, 20	48	54	40.5	38						12.25
		18			14~28	12, 15, 20	54	60	46.5	40						14.31
		20			14~35	15, 20, 25	60	66	52.5	50				M6	P+8	16.56
		22			14~37	15, 20, 25	66	72	58.5	54						18.72
		24			14~40	15, 20, 25,30	72	78	64.5	58						20.90
		25			14~42	15, 20, 25,30	75	81	67.5	60						22.08
		28			14~49	15, 20, 25,30, 35	84	90	76.5	70						25.45
		30			14~52	15, 20, 25,30, 35	90	96	82.5	75						27.68
		32			18~52	20, 25, 30,35, 40	96	102	88.5	75						30.06
		35			18~56		105	111	97.5	80						33.73
		36					108	114	100.5							35.02
		40					120	126	112.5							40.01
		45					135	141	127.5							46.25

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