Manufacture Customizing all kinds of 3M S3M Timing Belt Pulley according to drawing production steel alloy cast iron nylon

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Arc tooth Timing tooth

Type	pb	hg	R	r1	s	2δ
3M	3	1.28	0.91	0.26~0.35	1.90	0.762	≈14°
5M	5	2.16	1.56	0.48~0.52	3.25	1.144	≈14°
8M	8	3.54	2.57	0.78~0.84	5.35	1.372	≈14°
14M	14	6.20	4.65	1.36~1.50	9.80	2.794	≈14°
20M	20	8.60	6.84	1.95~2.25	14.80	4.320	≈14°

Dimension of linear type pulley

Type	MXL		XXL		XL		L		H		XH		XXH
bw	0.84±0.05		1.14±0.05		1.32±0.05		3.05±0.10		4.19±0.13		7.90±0.15		12.17±0.18
hg	0.69	0	0.84	0	1.65	0	2.67	0	3.05	0	7.14	0	10.31	0
		-0.05		-0.05		-0.08		-0.10		-0.13		-0.13		-0.13
Φ 1.5°	20		25		25		20		20		20		20
rb	0.35		0.35		0.41		1.19		1.60		1.98		3.96
rt	0.13	0.05	0.30	0.05	0.64	0.05	1.17	0.13	1.60	0.13	2.39	0.13	3.18	0.13
		0		0		0		0		0		0		0
2β	0.508		0.508		0.508		0.762		1.372		2.794		3.048

Example of mark

Dimension & Tolerance of Linear Type Pulley (mm)

Type bw hg Ψ 1.5° rb rt 2δ Details MXL 0.84±0.05 0.69 20 0.35 0.13 0.508 Details XXL 1.14±0.05 0.84 25 0.35 0.30 0.508 Details XL 1.32±0.05 1.65 25 0.41 0.64 0.508 Details L 3.05±0.10 2.67 20 1.19 1.17 0.762 Details H 4.19±0.13 3.05 20 1.60 1.6 1.372 Details XH 7.90±0.15 7.14 20 1.98 2.39 2.794 Details XXH 12.17±0.18 10.31 20 3.96 3.18 3.048 Details

Dimension of T Type Pulley (mm)

Code Type Type y grad rb rt 2a Details S E br N br S E hg N hg Devia -tion Devia -tion Devia -tion mix ±.15° max Devia -tion T2.5 1.75 0.050 1.83 0.050 0.75 0.050 1 25 0.2 0.3 0.050 0.6 Details T5 2.96 0.050 3.32 0.050 1.25 0.050 1.95 25 0.4 0.6 0.050 1 Details T10 6.02 0.10 6.57 0.10 2.6 0.10 3.4 25 0.6 0.8 0.10 2 Details T20 11.65 0.150 12.6 0.150 5.2 0.130 6 25 0.8 1.2 0.10 3 Details

Dimension of HTD Type Pulley (mm)

Tyep PB HT R S R Angle Details 3M 3 1.28 0.91 1.90 0.3 ≈14° Details 5M 5 2.16 1.56 3.25 0.48 ≈14° Details 8M 8 3.54 2.57 5.35 0.8 ≈14° Details 14M 14 6.20 4.65 9.80 1.4 ≈14° Details

Dimension of Pulley Tooth Flank Width (mm) Tab4

Type	Belt width		Min.width of pulley
	Code	Belt width	Double capped edge pulley	Single capped edge pulley	No capped edge pulley
MXL	012	3.0	4	5	6
	019	4.8	5.8	6.8	7.8
	025	6.4	7.5	8.5	9.5
XL	025	6.4	7.5	8.5	9.5
	031	7.9	9	10	11
	037	9.5	11	12	13
L	050	12.7	14	15.5	17
	075	19.1	21	22	24
	100	25.4	27	28.5	30
H	075	19.1	21	23	25
	100	25.4	27	29	31
	150	38.1	40	42	44
	200	50.8	53	55	58
XH	200	50.8	57	60	63
	300	76.2	84	87	90
	400	101.6	111	114	117
XXH	200	50.8	57	61	64
	300	76.2	84	88	92
	400	101.6	111	115	118
	500	127.0	138	142	145
T2.5	4	4	6	7	8
	6	6	8	9	10
	10	10	12	13	14
T5 AT5	6	6	8	9	11
	10	10	12	13	15
	16	16	18	20	22
	25	25	27	29	31
T10 AT10	16	16	18	22	24
	25	25	27	30	33
	32	32	34	37	40
	50	50	53	56	59
T20 AT20	32	32	35	38	40
	50	50	53	56	60
	75	75	78	81	85
	100	100	105	108	112
3M S3M	6	6	9	10	11
	9	9	12	13	14
	15	15	18	19	20
5M S4.5M S5M	9	9	12	13	14
	15	15	18	19	20
	25	25	28	29	30
	30	30	34	36	38
8M S8M	30	30	34	36	38
	40	40	44	46	48
	50	50	54	56	58
	85	85	90	92	94
14M S14M	55	55	65	68	70
	85	85	95	99	102
	115	115	126	130	133
	170	170	180	183	187
20M	70	70	80	84	89
	85	85	96	100	104
	115	115	127	131	134
	170	170	182	185	190
	230	230	245	248	254
	290	290	295	300	310
	340	340	355	360	370

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