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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!
Captive Fixed Shaft Linear Stepper Motor High Thrust With Trapezoidal Screw
| Place of Origin | China |
|---|---|
| Brand Name | VIC-TECH |
| Certification | RoHS |
| Model Number | VSM20A |
| Minimum Order Quantity | 1Unit |
| Price | $15~$37/Unit |
| Packaging Details | The product is packed with pearl cotton, and the outside is in a carton. |
| Delivery Time | 10~30 days after receiving sample payment |
| Payment Terms | MoneyGram, Western Union,Credit Card,T/T, L/C |
| Supply Ability | 100000\ Units/year |
Contact me for free samples and coupons.
Whatsapp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Details
| Motor Type | Linear Stepper Motor | Motor Diameter | 20mm |
|---|---|---|---|
| Shaft Type | Trapezoidal Screw | Lead Screw Pitch | 0.6096 Mm |
| Motor Design | Captive Shaft Motor | Step Angle | 7.5°/15° |
Product Description
High thrust 20mm captive fixed shaft linear stepper motor with trapezoidal screw
This is 20mm captive shaft linear stepper motor.
We have three different types of lead screw for you to choose:
Single start, double starts and four starts.
Lead screw pitch is the same: 0.6096 mm
On top of that, we have different travel distance for you to choose:
14mm/18mm/25mm/32mm
Parameters:
| Motor type | Linear PM stepper motor |
| Motor size | 20mm diameter |
| Shaft type | Trapezoidal screw |
| Lead screw pitch | 0.6096 mm |
| Lead screw lead | 0.6096mm/1.2192mm/2.4384mm |
| Rated voltage | 5~12V |
| Coil resistance | 5~70Ω/phase |
| Step angle | 7.5°/15° |
Design drawing:
Product display:
About linear stepper motor:
There different design:
Captive shaft(fixed shaft): the lead screw is not allowed to spin, it can only go up and down, do linear motor movement.
Run-throught shaft (through going shaft): the lead screw can move up and down when spinning. When lead screw is fixed, not allow to rotate, lead screw can move up an down, and work properly.
External drive(with nut): The lead screw is fixed, can’t move up and down, it can only spin, and there is a nut on the lead screw to move up and down.
About lead screw and step length:
We have two types of step angle: 15°and 7.5°. Motors with 15° step angle takes 24 steps for one turn, and motors with 7.5° step angle take 48 steps for a turn.
We have three types of lead screw lead, with single start/doule starts and 4 starts.
Pitch is the same: 0.6096mm
Lead screw lead=starts*pitch
For examples, for 2 starts lead screw, lead is 2*0.6096=1.2192mm
Motor’s step length, is the distance lead screw/nut travels when the motor takes one step.
Motor’s step length=lead screw lead/steps for each turn
For examples,for 2 starts lead screw, step angle is 7.5°,
Step length=lead/24=1.2192/24=0.0508mm/step
About thrust:
Thrust is related to driver’s frequency and lead screw lead, stepper angle and motor size.
The bigger motor’s size, thrust is bigger.
The lower frequency it get, motor rotate slower, and thrust is bigger.
The lower lead screw lead is, thrust is bigger.
7.5 degrees step angle will have higher thrust compared to 15 degrees.
Application of stepper motors:
Stepper motors are used for precise control, widely used on medical equipment, 3D printer, industrial precise control, automation equipment, etc.
Stepper motors can be used in any mechanisms requirement precise conrtol and rotational/linear movement.
Advantage of stepper motors:
Stepper motor can reach precise control even without close-loop encoders / without feed back system, also they do not have electrical brushed. Thus there is no electromagnetic interference and electrical sparks issues. In some cases, they can replace DC brushed motors/ brushless motors.
Stepper motors are easy to control with drivers, and this feature establish its important position in the field of precise control.
1. Precise control achievable, programmable
2. Without electromagnetic interference & electrical sparks
3. Small size
4. Reasonable price
5. Low noise
6. Long service life
Packaging and Shipping information:
Samples are packed with foam sponge inside paper box.
For mass production, products are packed in paper carton.
For sea shipping (Mass production), cartons are packed on pallet.
Shipping time:
By express(DHL/ UPS/ Fedex/ TNT): 5~12 days
By 4PX express: 10~20 days
Sea shipping: 40~60 days (depends on different countries)
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