NUT

02-Sep-2017

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分类: 山謙, Nut

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ER // NUT

ER nut is in the norm DIN6499/ISO15488
It assembles with form A & form B ER collet in the norm of DIN6499/ISO15488
Nut is one of the main parts for collet chuck
It tightens the collet with tool on the collet chuck
However, it is never easy to produce an accurate one
There are some points to notice:

Materia
- It will easily crack if produce the nut with carburizing material
- YAMAKEN produce ERM nut & ER nut with through hardening steel
- YAMAKEN produce SGER nut with bearing steel
- It will not crack easily with such material
Roundness of nut
- Nut with poor roundness will reduce the accuracy when assemble with the chuck
- YAMAKEN produce the nut with roundness 0.002mm
Concentricity
- Nut with poor concentricity will reduce the accuracy when assemble with the chuck
- YAMAKEN produce the nut with concendricity 0.002mm
Tolerance of internal thread
- Accuracy of nut at thread part in the norm DIN6499/ISO15488 is ISO6H
- YAMAKEN produce it ISO5H
Assembly accuracy of nut with chuck and collet
- SGER nut + AA grade ER collet assembly runout 0.003mm @3*d
- ERM nut & ER nut + AA grade ER collet assembly runout 0.005mm @3*d
- SGER nut + ER collet assembly runout 0.006mm @3*d
- ERM nut & ER nut + ER collet assembly runout 0.010mm @3*d

ER NUT	ER11M N11MX nano N11MX	ER16M N16MX nano N16MX	ER20M N20MX nano N20MX	ER25M N25MX nano N25MX
Ød7 ISO5H	M13*P0.75	M19*P1.0	M24*P1.0	M30*P1.0
ØD9	16	22	28	35
Ød10 +0.1/0	12.3	17.7	21.7	27.0
L8	12	18	19	20
l9	3.6	4.6	5.6	5.8
l10 0/-0.2	1.0	1.1	1.2	1.3
l11 max.	5.0	7.2	9.2	11.5

ER NUT	ER11 N11SX nano N11SX	ER16 N16SX nano N16SX	ER20 N20SX nano N20SX	ER25 N25SX nano N25SX	ER32 N32SX nano N32SX	ER40 N40SX nano N40SX
Ød7 ISO5H	M14*P0.75	M22*P1.5	M25*P1.5	M32*P1.5	M40*P1.5	M50*P1.5
ØD9	19	28	34	42	50	63
Ød10 +0.1/0	12.3	17.7	21.7	27.0	34.0	42.0
L8	11.5	17.0	19	20.0	23.0	26.0
l9	3.1	4.6	5.6	5.8	6.3	7.5
l10 0/-0.2	1.0	1.1	1.2	1.3	1.6	2.1
l11 max.	5.0	7.2	9.2	11.5	14.9	18.5
W 0/-0.2	17	25	30

NUT	ER16H	ER20H	ER25H	ER32H	ER40H
ØD9	32	36	43	51	63

ER nut clamping torque chart
ER NUT	ER COLLET	MAX. TORQUE	ER螺帽	ER COLLET	MAX. TORQUE
N11MX nano	ER11(1.0~2.5) ER11(3.0~0.0)	10Nm 12Nm	N11SX nano	ER11(1.0~2.5) ER11(3.0~0.0)	12Nm 25Nm
N16MX nano	ER16(1.0~4.5) ER16(5.0~10.0)	15Nm 17Nm	N16SX nano	ER16(1.0~4.5) ER16(5.0~10.0)	30Nm 55Nm
N20MX nano	ER20(1.0~6.5) ER20(7.0~13.0)	21Nm 23Nm	N20SX nano	ER20(1.0~6.5) ER20(7.0~13.0)	45Nm 80Nm
N25MX nano	ER25(1.0~6.5 ER25(7.0~16.0)	24Nm 40Nm	N25SX nano	ER25(1.0~6.5 ER25(7.0~16.0)	55Nm 100Nm
			N32SX nano	ER32(2.0~6.5) ER32(7.0~20.0)	70Nm 135Nm
			N40SX nano	ER40(3.0~7.5) ER40(8.0~26.0)	100Nm 170Nm

NxxMX(SX) nano & NxxMX(SX) are with the same torque

supERgrip SGER // NUT

SGER NUT	SGER16 N16SGX nano N16SGSX nano	SGER20 N20SGX nano N20SGSX nano	SGER25 N25SGX nano N25SGSX nano	SGER32 N32SGX nano N32SGSX nano	SGER40 N40SGX nano N40SGSX nano
Ød7 ISO5H	M24*P1.0	M28*P1.0	M34*P1.0	M42*P1.0	M52*P1.0
ØD9	34	38	44	52	62
Ød10 +0.1/0	17.7	21.7	27.0	34.0	42.0
L8	20.6	22.5	24.0	26.0	29
l9	4.6	5.6	5.8	6.3	7.5
l10 0/-0.2	1.1	1.2	1.3	1.6	2.1
l11 max.	7.2	9.2	11.5	14.9	18.5

SGER nut clamping torque chart
SGER NUT	ER COLLET	MAX. TORQUE
N16MX nano	ER16(1.0~4.5) ER16(5.0~10.0)	30Nm 55Nm
N20MX nano	ER20(1.0~6.5) ER20(7.0~13.0)	45Nm 80Nm
N25MX nano	ER25(1.0~6.5) ER25(7.0~16.0)	55Nm 100Nm
N32MX nano	ER32(2.0~6.5) ER32(7.0~20.0)	70Nm 135Nm
N40MX nano	ER40(3.0~7.5) ER40(8.0~26.0)	100Nm 170Nm