Coupling

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Slit Type Flexible Coupling

Slit Type Flexible Coupling

Slit Type Flexible Coupling

Features:

Slits in body absorbs misalignment by spring actioin
One piece construction
Zero backlash
High rotational and positioning accuracy
Material: Aluminium alloy & Stainless steel

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Dimensions

Part No.	ØD (mm)	L (mm)	L1 & L2 (mm)	Ød1 & Ød2 (mm)	M (mm)	Mass (g) AL	Mass (g) SUS
PTC-DBC-12	12	18.5	5	3, 4, 5	M2	4	14
PTC-DBC-19	19.1	22.9	6	3, 4, 5, 6, 6.35	M2.5	14	40
PTC-DBC-25	25.4	31.8	8	5, 6, 6.35, 8, 9.53, 10	M3	34	96
PTC-DBC-32	32	41	12	10, 11, 12, 14	M4	66	174
PTC-DBC-40	40	56	16	10, 11, 12, 14, 15, 16, 18	M5	138	372
PTC-DBC-50	50	71	20	12, 14, 15, 16, 18, 20	M6	272	760
PTC-DBC-63	63	90	25	14, 15, 16, 18, 20, 22, 24	M8	530	1,410

For Stainless Steel Coupling, add S in model no., example PTC-SDBC-12

Specifications (Aluminium Alloy)

Part No.	Related Torque (N.m)	Max Torque (N.m)	Max RPM	Moment of Inertia (Kg.m²)	Static Torsional Stiffness (N.m/rad)	Allowable Declination (°)	Allowable Eccentricity (mm)
PTC-DBC-12	0.5	1.0	10,000	7.6X10^-8	34	2.0	0.1
PTC-DBC-19	0.5	1.0	8,000	9.0X10^-7	110
PTC-DBC-25	1.2	2.4	6,000	2.6X10^-6	170
PTC-DBC-32	2.8	5.6	4,600	9.6X10^-6	228		0.15
PTC-DBC-40	6.3	12.6	3,600	3.2X10^-5	346		0.2
PTC-DBC-50	11	22	3,000	9X10^-5	580
PTC-DBC-63	22	44	2,200	3.1X10^-4	843

Specifications (Stainless Steel)

Part No.	Related Torque (N.m)	Max Torque (N.m)	Max RPM	Moment of Inertia (Kg.m²)	Static Torsional Stiffness (N.m/rad)	Allowable Declination (°)	Allowable Eccentricity (mm)
PTC-SDBC-12	0.8	1.6	10,000	2.1X10^-7	62	1.5	0.1
PTC-SDBC-19	1.0	2.0	8,000	2.4X10^-6	230
PTC-SDBC-25	2.2	4.4	6,000	7.3X10^-6	320
PTC-SDBC-32	5.5	11	4,600	2.6X10^-5	845		0.15
PTC-SDBC-40	8.7	17.4	3,600	8.9X10^-5	990		0.2
PTC-SDBC-50	16	32	3,000	2.7X10^-4	1380
PTC-SDBC-63	38	76	2,200	8.7X10^-4	1790