H2W:Single Axis Linear Stepper Motor STS-0213-R

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Order #: STS-0213-R

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Description

Ordering Information

Specifications and Drawings

Overview
linear stepper motors are ideal for open loop positioning applications with light payloads. They can be used at speeds up to 80 in /sec [2 m/sec] and strokes up to 144” [3.6 m]. Linear stepper motors are capable of very precise position, velocity and acceleration control when coupled with a microstepping drive and indexer.

The short moving assembly called a “forcer” is guided by either roller or air-bearings along he precision ground track called a “platen”. The bearings are designed to support the customer’s payload and to maintain the required .001” [0.025 mm] gap between the platen and the forcer.

The step and direction signal from a microstepping drive, to the 2 or 4 phase forcer is supplied via a power cable. The motion achieved with a full step is .010” [250 microns] and with a microstep it’s .00004” [1 micron].

The linear stepper motor is a complete positioning stage with the motor, the bearings and the positioning system all built into one compact package.

Integrating a linear encoder with the stepper provides a closed loop system.

Advantages:

Low profile and small cross section
High Speed
Low cost positioning stage solution
No servo tuning required
Multiple forcers on a single platen

Applications:

Pick and Place
Wire bonders
Parts transfer
Fiber optic

The Linear Stepper Motor consists of 2 main parts:

Moving Forcer Assembly: The forcer is made up of an aluminum housing that contains the motor windings, lamination stacks, and permanent magnets. The active surface of the lamination is slotted to form teeth with a pitch of .040" [1 mm]. The ends of the coil are brought out to either a "D" connector or to flying leads. Mounting holes on the top surface of the forcer are for attaching the customer's payload. The forcer comes in different widths and lengths, depending on the required force. Multiple forcers can be supplied with a single platen to allow for independent moving heads.
Long Stationary Platen:The platen is a precision ground steel bar or tube that is slotted to form .020" [0.50 mm] wide teeth on the surface. The bar is hard chrome plated and filled with epoxy to provide a flat air-bearing surface for the platen. The platen is available in widths from 1.25" to 3.0 " [31.8 mm to 76.2 mm]. The length of the platen is a function of the stroke. Single piece platens are available as long as 144 inches [3.6 m]. For longer strokes the platens will be supplied in sections.

STS-0213-R
The STS-0213-R is a 2-phase single axis linear stepper motor that generates a continuous force of 2.3 lbs [10.2 N]. It is guided by precision roller bearings along the platen. The roller bearings also help maintain the required motor air gap. Power is supplied to the motor via a 10in long cable with flying motor leads. There are mounting holes on the top of forcer to allow for payload mounting.

This forcer is designed to operate on a 1.21" [30.75 mm] wide, 0.375" [9 mm] thick stepped platen. Platen Model #: STP-13-XXX-R.

To determine your motion profile needs, use our linear motion calculator.

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