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Left and Right Hand Precision Ball Screws - Shaft Dia. 8; Lead 1 / 2 / 4 / 5 / 10 - Accuracy Grade C5 (Part Numbers)

Left and Right Hand Precision Ball Screws - Shaft Dia. 8; Lead 1 / 2 / 4 / 5 / 10 - Accuracy Grade C5

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MISUMI

MiSUMi Economy

MISUMI

Part Number

Configured Part Number is shown.

E-KLR0804

Product Overview of Ball Screw

1. This series of products is the C5 Left/Right Hand Precision Ball Screw with the shaft diameter of 8 and lead of 1/2/4/5/10.
2. It is more suitable for positioning mechanisms in FA automation equipment.
3. The screw shaft end is machined according to standard specifications. If the shaft end requires alteration, it should be specified according to the catalog.

Dimensional Drawing of Ball Screw

Follow the selection procedure Ball Screw～Ball Screw to select the type and parameters before ordering.
Accuracy gradeScrew Dia.LeadScrew ShaftNut
Ball Screw MaterialBall Screw HardnessBall Screw Surface TreatmentBall Screw MaterialBall Screw HardnessBall Screw Surface Treatment
C581·2·4·5·10S55C
equivalent		Induction hardening
58～62HRC		－SCM415H
equivalent		Carburized
58～62HRC		－

Dimension 1

Specification Table of Ball Screw

Ordering Example
Part NumberBall ScrewL
(1mm increments)		YNumber of CircuitsBasic Load RatingAxial PlayTwisting Direction
Ball ScrewTypeBall ScrewScrew Shaft O.D.Ball ScrewLeadC (Dynamic) kNC (Static) kN
E-KLR0801110~290L-493 turns0.651.30.005
or Less		Left and Right
021.32.3
04130~2902.7 turns2.64.2
051.853
103.2 turns2.23.8

Alterations of Ball Screw

Alterations Part Number (Ball ScrewType·Ball ScrewScrew Shaft O.D.·Ball ScrewLead)－Ball ScrewL－(NC·RLC…etc.)
 E-KLR0802－150－RLC
■Support side of Ball Screw
AlterationsCodeSpec.
① No Machining on Support Side Shaft End
Ball Screw		NCNo machining added on the support side shaft end.
Ordering CodeNC
② Ball Nut Orientation Reversed
Ball Screw		RLCChanges the nut direction.
Ordering CodeRLC
■Fixed side of Ball Screw
AlterationsCodeSpec.
③Flat Machined on Fixed Side Shaft End
Ball Screw		SCAdds a flat on the fixed side shaft end.
5≤SC≤6
SC= 1mm increments
Ordering CodeSC5

Screw Shaft Runout Tolerance of Ball Screw

Ball Screw
TypeScrew
Shaft
O.D.		Runout tolerance G (Max.)Incomplete
Hardened
Area (ℓ)
~125126~200201~315316~400401~500501~630631~800801~10001001~12501251~16001601~2000
E-TBS40.0600.075---------5
60.0750.075---------
C-TBSE
C-TBSB		80.1000.1400.2100.270-------10
10-0.1200.1600.2100.2700.350-----
12-0.1200.1600.2100.2700.3500.480----
15-0.1100.1300.1600.2000.2500.3200.4200.550--
20-0.1100.1300.1600.2000.2500.3200.4200.5500.7300.73015
25-0.1100.1100.1300.1600.1900.2300.3000.3800.5000.690
32--0.1100.1300.1600.1900.2300.3000.3800.5000.69020
E-KBS40.050----------5
60.0500.050---------
C-KBS80.0600.0750.100--------
100.0550.0650.0800.100-------
12-0.0650.0800.1000.120------10
15-0.0600.0700.0800.0950.1100.1400.1700.210--
20-0.0600.0700.0800.0950.1100.1400.1700.2100.270-15
25--0.0600.0700.0800.0900.1000.1300.1700.210-
E-KLR40.0500.050---------5
80.0650.0750.100--------
100.0650.0650.0800.100-------

Product Features of Ball Screw

1. Drawing-based machining is no longer required, saving the time for drawing.
2. The total length of screw shaft can be specified in 1 mm increments. With abundant shaft end specifications, it is possible to specify alterations for different applications.

Example Use of Ball Screw

Example of Use 1

Precautions of Ball Screw

■ Precautions for Selection and Use Ball Screw
● The noise value of the screw after assembly is not guaranteed.
● Although lithium soap-based grease has been applied at the factory, it is required to apply new grease every 2~3 months as standard after receiving the goods, otherwise the normal use will be affected.
●In operation, if there is too much noise or sharp and harsh sound, please make sure that the installation accuracy of the screw and the specifications of peripheral components such as motors and couplings are appropriate.
●Do not let the nut exceed the movement range of the ball screw nut, or screw out of the screw shaft, otherwise the ball will fall off and the ball cycling parts will be damaged.
● Ball screws and nuts placed with an inclination may fall due to weight. Please be careful.
● This product is a machined type, so there will be knife patterns and color difference in its appearance. Small scratches or color changes without affecting the use and main function are of a normal phenomenon. Please feel free touse.
·Removal of nut is prohibited
Precautions 1		·No impact on the nut
Precautions 2		·Be careful of falling due to weight
Precautions 3
·Checking for reverse action
Precautions 4		·Pay attention to intrusion of foreign objects
Precautions 5		·Nut overstroke is prohibited
Precautions 6
 
■ Precautions of the ball screw and peripheral parts design and assembly
The ball screw is a component that only bears axial load. If it is subjected to radial load or moment load, poor sliding, vibration or abnormal noise may occur, shortening its service life.
The reason that the ball screw bears radial load and moment load is the axis deviation and parallelism error of the surrounding parts. Therefore, it is necessary to correctly design and assemble the peripheral parts of the ball screwto prevent errors.
● Axis deviation of ball screw and support unit (Fig. 1)
- Axis deviation is the deviation of the ball screw fixed by the fixed side support unit and the bearing of the supporting side support unit.
-The allowable value of the axis deviation is 20μ or less (reference value)
●Parallelism between ball screw and linear guide (Diagram 2)
- Parallelism error refers to the inclination of the ball screw in the up-down or left-right direction with respect to the reference of the linear guide.
-The allowable value of inclination is below 1/2000 (Diagram 3)
●Precautions of assembly
If you notice abnormal noises during the operation of the ball screw or jamming during movement after assembly, please loosen the connections of the parts before proceeding. Adjust and reassemble after moving smoothly.
- Error in the left and right direction of the support unit (Fig. 1)
- Parallel error of linear guide and ball screw (Fig. 2)
- Fixing of workbench and nut bracket
- Fixing of ball screw nut and nut bracket
Precautions 7

Part Number 

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  1. 1
Part Number
E-KLR0804
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipLead
(mm) 		Shaft Screw Overall Length L
(mm)

1 IDR

1 Piece(s) 10 Day(s) 4-

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  1. 1
Brand Introduction
Brand Introduction
Since its establishment in 1963 in Japan, MISUMI Group Inc. has been providing customers with a wide range of high quality parts such as FA factory automation parts, mold parts, electronic parts, tools and consumables in a fast and accurate manner. We have created a low-cost business model by compiling our own catalogs and establishing a marketing system to sell our products directly, and we continue to develop MISUMI branded products with a high level of quality by developing an annual product plan based on customer feedback and requests. MISUMI established MISUMI Precision Machinery Co., Ltd. in China in June 2003, and then changed its name to MISUMI (China) Precision Machinery Trading Co., Ltd. in June 2007, with its headquarters in Shanghai. Since the beginning of the stamping die standard parts business, the businesses of FA standard parts, plastic die standard parts and machining tools have been officially started successively, and the rapid development of MISUMI in China has won the full support of customers. China's manufacturing industry has unlimited prospects, which is why China's manufacturing industry market has become one of the most competitive industries in the world. Thus was born MISUMI's business philosophy - the key to the future of manufacturing in China is cost competitiveness as well as "quality" and "time".

Basic Information

Screw Shaft O.D.(Ø) 8 Type Precision Accuracy Grade C5

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Specification/Dimensions

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  • type

    • E-KLR

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  • Lead(mm)

    • 1
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    • 10

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    • 10 Day(s) or Less
    • 22 Day(s) or Less

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Frequently asked question (FAQ)

Question: What is the operating temperature limit for the ball screw?
Answer: The operating temperature limit for the ball screw is 80°. Exceeding this limit will cause damage to the circulating parts and seals, as well as the deformation of the screw shaft and nut, affecting the life. Grease has a good effect of reducing the temperature, so regular maintenance such as grease injection to the ball screw will improve the service life of the screw.
Question: How to do if there is abnormal noise heard in use?
Answer: MISUMI does not guarantee there is no abnormal noise during use. If abnormal noise occurs, please check the installation accuracy and the correct selection of surrounding parts. Please loosen the parts before re-adjustment. Please refer to "Precautions" for details.

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