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  • Due to an increase in demand, the lead time of some of the electrical items from our eCatalogue has increased abnormally and may cause delays in delivery or order suspension. We apologize for the inconvenience and appreciate your kind understanding. Once the supply will get normalized, we will update the same.

Actuator SKR33

Actuator SKR33

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Caution

  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.


Product Description

A compact, high stiffness, and high precision actuator with an integrated inner block consisting of an LM block and a ball screw nut.
Also, the housing A/B doubles as a support unit, and the inner block doubles as a table.
Therefore, it has become possible to significantly reduce design and assembly labor-hours.

[Features]
・ Since it is arranged at a contact angle of 45° so that the load is equal in 4 directions, it can be used in any posture.
・ Since the straight guide section has a 4-row circular arc groove, there is no gap and highly stiff guidance can be obtained.
・ Changes in frictional resistance due to load fluctuations are minimized and follow high precision feed.
・ The U-shaped cross-sectional outer rail improves stiffness against moments and twists.

[Effect of adopting ball retainer]
·Due to the improved grease holding capacity, long-term maintenance-free operation has been achieved. (Lubricator QZ is attached to the ball screw section)
・ Excellent sliding performance can be obtained due to elimination of mutual friction between balls and reduced torque fluctuation.
・ In addition, the basic dynamic load rating of the LM guide and ball thread section is larger than before, so it has a long lifespan.

Part Number
THK1SKR3306B
THK1SKR3310B
THK1SKR3320B
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipBall screw leading
(mm)
Slider type Allowable Static Moment MA
(N•m)
Allowable Static Moment MB
(N•m)
Allowable Static Moment MC
(N•m)

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1 Piece(s) 20 Day(s) 6Long 2 pc.990990848

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1 Piece(s) 20 Day(s) 10Long 2 pc.990990848

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1 Piece(s) 20 Day(s) 20Long 2 pc.990990848

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Basic Information

Nominal (Height) 33 Main Body, Peripheral Components Caster Motor Type No (Built-in by the customer)
Grease Standard Ball Screw Shaft Dia.(Ø) 13 With or w/o Lubricant Unit No
Amplifier Voltage No With or w/o Retainer Presence Lubrication Device QZ Specifications None