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Stepper motors

Can stack motors

Often referred to as a “Can Stack”,”tin can”, or“ permanent magnet” motors, the can stack motor is a low cost and low resolution stepper motor with typical step angles of 7.5 to 18° (48 – 20steps/revolution). Can Stack motion technology focusses on simplicity and uses the simplest of techniques and designs to create an effective motion solution. Can stack motors are usually 2 phase in construction. They consist of two stator cups with claw tooth poles formed around a winding creating each half of the motor. The rotor has the same number of pole pairs as the stator, while the poles on each stator cup are constructed to be a half a pole pitch apart. With two coils, this means there can be 4 discrete positions per pole pitch. A 2-phase motor, for example, with 12-pole pairs in each stator / coil sector will therefore have 48 steps per revolution or 7.5 degrees per step. From 3.9 mNm up to 300 mNm in a size from diam. 15 mm up to 60 mm, our range of permanent stepper motors is the simplest motion solution for a wide range of applications that require high continuous motor torque but don’t require the absolute positioning of a servo system.

Model   Diameter
(mm)
Detent Torque, Max
(mNm)
Holding Torque, Min
(mNm)
Step Angle
(degree)
Steps per Revolution
15M

15M Portescap

15 1.62 3.87 18 20
20M

20M Portescap

20 3.87 10.95 15 24
26M

26M Portescap

26 4.2 14.5 7.5 48
35L

35L Portescap

35 12.1 54 7.5 48
35M

35M Portescap

35 6.3 25 7.5 48
42L

42L Portescap

42 29.7 131 7.5 48
42M

42M Portescap

42 29.66 202.8 7.5 48
42S

42S Portescap

42 12 60 7.5 48
44M

44M Portescap

44 8.47 46.6 3.6 100
57L

57L Portescap

57 9.9 110.8 7.5 48
60L

60L Portescap

60 35.31 300.12 7.5 48

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