Page 358 - MiSUMi 2025

Economy series Product Specifications Alteration Options Economy series
Lead Screws Lead Screws

QLead Screw Specification QAlteration Options

Type Straight Type Support Type Both Ends Stepped Type One End Stepped / One End Double Stepped Type

Flat Machining
Threaded For
Bearing Nut
Shape

Wrench Flats
3 3
EFor more shaft end shapes, please visit MISUMI official website.
Unit: mm
Ball Screws / Lead Screws Shaft Pitch Effective Dia. diameter Lead Angle ~125 126~200 201~315 Screw shaft runout tolerance (max.) 631~800 801~1000 1001~1200 Ring Groove Chamfering Lead Screws Ball Screws /
Square
Screw shaft
Screw Shaft thread root Screw Shaft
Shaft Overall Length
Retaining
Dia.
(MIN)
401~500
501~630
316~400
8 1.5 7.25 (5.9) 3°46' 0.1 0.14 0.21 0.27 0.35 - - -
Rolled Ball Screws 10 2 11 (7.2) 4°03' 0.09 0.12 0.16 0.21 0.27 0.35 0.46 0.58 - Tapping Keyway Screws Rolled Ball
9
3°19'
12
(9.2)
P.03-009 14 3 12.5 (10.1) 4°22' 0.09 0.11 0.13 0.16 0.2 0.25 0.32 0.42 - (Coarse) P.03-009
Precision Ball Screws 20 4 18 (15.1) 4°03' - 0.55 Screws Precision Ball
3°46'
(12.1)
14.5
16
"square chamfering" and "coarse tapping"
P.03-027 22 5 19.5 (16.1) 4°40' - 0.09 0.11 0.13 0.16 0.19 0.23 0.3 0.38 Precautions for Selecting Alteration Precaution3 Precaution4 Machining conditions for combining P.03-027
Precaution2
Precaution1
Ball Screw Supports / Motor Brackets Reserve a gap of The interval The phase of each machining is Specifying alteration which Shaft end Chamfering Coarse Tapping Motor Brackets Ball Screw Supports /
(19)
4°03'
22.5
25
Square Chamfering
overlaps another
random and may not be aligned in
between the
2mm or more from
Square
machining is unavailable.
a row ,when multiple alterations
alterations must be
the stepped part to
Tap Dia.
(The following figure shows one
are specified. (The following figure
diameter
Alteration A
P.03-047 QLead Screw Nut Specification Part Number / Type specify the alteration more than 2mm shows one of the examples) Alteration B of the NG examples) 6~10 Width 3 P.03-047
5~8
(Keyway)
Lead Screws Round Flanged Compact Flanged, 2-hole Compact Flanged, 4-hole Square Flanged Round Flanged Compact Flanged, 2-hole Square Type Alteration Alteration B Alteration A Phase Rotation Alteration B 11~14 8~10 3·4 Lead Screws
Must be more than 2mm
Must be more than 2mm
(Keyway)
(Wrench Flats)
Standard Type
Compact Type
Rotation direction
Wide Block
(Flat Machining)
direction
3·4·5
P.03-058 Thread Stepped Part Alteration A As shown in the above figure, The overlap position 15~19 10~14 3·4·5·6·8 P.03-058
phases are random, so the
of alteration A, B
alteration A and B on the same
20~25
14~20
Lead Screw Nuts Diameter Pitch (1) When specifying the alteration position, reserve a gap of 2mm or more from the stepped part (refer to the illustration of Precaution 1). Nuts Lead Screw
axis may not be aligned in a row.
Nominal
(2) When multiple alterations are selected, the machining parts need to be spaced by more than 2mm (refer to the illustration of Precaution 2).
P.03-077 (3) When combined with Flat Machining, Wrench Flat, Square Chamfering, and Keyway, each machining phase is random P.03-077
Lead Screw Supports 8 1.5 1250 - Allowable Dynamic Thrust (N) - - (4) When 2 or more alterations are specified on the same shaft part, it may not possible to machine due to the correlation. Supports Lead Screw
(refer to the illustration of Precaution 3).
(5) Specifying alteration which overlaps another machining is unavailable (refer to the illustration of Precaution 4).
P.03-079 10 2 2 2168 - 1717 - 2168 QPrecautions for use P.03-079
3332
3332
2669
12
Lead Screw Stop Plates / Position Indicators 14 3 3 4165 3332 4165 1. Do not drop or knock the Lead Screw. Otherwise it may cause scratches or damages. Attention should Position Indicators Lead Screw Stop Plates /
5670
16
5670
4539
be paid to the fact that impact can cause functional damage, even if it is not visible.
8339
8339
P.03-081 20 4 5 10506 6673 10506 2. When contacting the product, please use protective gloves, safety shoes and other protective P.03-081
8407
22
25 5 12087 9673 12087 equipment to ensure safety.
EFor more nut specifications, please visit MISUMI official website.
03-061 03-062