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Andres BlancoThe thruster have arrived correctly. I tested them on the ROV and we are very happy with the result. The epoxy interior finish is very good and the power of the motors in relation to the size is quite good. -
Gregoire LangeThe cooperation between Changzhou Vic-Tech Motor Tech and our company was just great. Good understanding of our needs, great willing to solve our problems. I recommend !
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David MoleveltProfessional and clear communication. Order was shipped in time. Counter connectors where added to the shipment. Driver works like we agreed !
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Buildstorm Private LimitedThe product works as expected, it was packed nicely. Seller responds very quickly and helps in making a buying decision. They are ready to customize the product for you.
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Ashley GriffinShipment was received very quickly. Product was well protected by packaging. Company rep was cordial and kind. A Plus rating!
Step Angle 18° Copper Slider Linear Stepper Motor Dia 20mm With 1kg Thrust for Camera、Optical instruments、Lenses
| Place of Origin | Jiangsu, China (Mainland) |
|---|---|
| Brand Name | VIC-TECH |
| Certification | RoHS |
| Model Number | SM20-21L-T |
| Minimum Order Quantity | 1 unit |
| Price | $12-$23/unit |
| Packaging Details | Selling Units: Single item plastic box inner , outer paper box Package: single carton packing, 100 - 1000 pieces per box. |
| Delivery Time | 15-30 work days |
| Payment Terms | Western Union, MoneyGram，Credit Card |
| Supply Ability | 1000000 units/year |
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Whatsapp:0086 18588475571
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xProduct Details
| Type | Permanent Magnet | Step Angle | 18° |
|---|---|---|---|
| Phase | 2 | Current / Phase | 800mA |
| Rated Voltage | 12V 24V | Coil Resistance | 15 Ω±10% |
| Thrust | Over 1 KG | ||
| High Light | Copper Slider Linear Stepper Motor,Dia 20mm Linear Stepper Motor,1kg Thrust Slider Stepper Motor |
||
Product Description
Heavy duty low noise SM20-21L-T 20mm diameter copper slider 1 KG thrust linear stepper motor linear actuator
This is 20mm linear motor. It has a copper slider with two linear bearing, with the help of linear bearings, the stability of slider is greatly improve.
The lead screw is regular M3*0.5P thread, so when the motor rotate one turn, slider will move one pitch (0.5mm). Step angle of the motor is 18 degree, so when the motor takes 20 steps, it will rotate one turn. Step length of this motor is 0.025mm.
This motor is very useful for precise linear control, and the thrust of the slider can reach over1 KG (over 10N of thrust)
The stroke of this motor is 21mm.(stroke means how much distance it can travel from both ends)
Mechanical Dimension:MM
Parameters:
| Model No. | SM20-21L-T |
| Motor type | Linear stepper motor |
| Phase No. | 2 phases |
| Step angle | 18 degrees |
| Phase resistance | 15.6 Ohms/phase |
| Excitation method | 2-2 bipolar drive |
| Rated voltage | 5 - 12 V DC |
| Lead screw type | M3*0.5Pitch thread |
| Stroke | 21mm |
| Pull-out thrust | Over 1200 g at 700 PPS |
| Max response frequency | Over 1300 PPS |
Main Application
1) Camera
2) Optical instruments
3) Lenses
4) Precision medical devices
5) Automatic door locks
About linear stepper motors
A linear stepper motor has lead screw to convert the rotation movement into linear movement. Stepper motors with lead screw can be considered as linear stepper motor.
A slider linear stepper motor contains a bracket, slider, and supporting rods are added, based on the external drive linear motor’s design. Because supporting rods provide anti-rotation mechanism for the slider, slider can only do linear movement.
The lead screw’s lead equals to its pitch, and when motor rotates one turn slider moves exactly one pitch of distance.
For example, if motor’s step angle is 18°, it means it takes 20 steps to rotate one turn. If the lead screw is M3*0.5P, pitch is 0.5mm, slider moves 0.5mm for each revolution.
Motor's step length is 0.5/20=0.025mm. This means when the motor takes one step, the linear movement of the screw/slider is 0.025mm. For motors with the same diameter and torque, the longer step length it has, fast linear speed it will have, but smaller thrust will have at the same time.
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