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4 DOF CNC Aluminum Robot Arm Frame 4 Asix Robot Manipulator Model with Optional Servo

4 DoF robot arm
Item Code: TOP86273012
Market Price:
USD $147.87
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  • Type:
    No Servo With DS3218 Servos With MG996R Servos
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  • Description
  • Documents
  • Shipping Methods
  • Payment Methods


The baby design concept from A  B  B palletizing robot, the same principle structure, range of motion greater than siblings other arm;
 Rack thick hard aluminum alloy material selection CNC machining, do not take other than store materials, material thickness different;
Whole arm adopts three MG996R metal gear steering gear, and 1 MG90S metal gear steering gear;
 bearing all the moving joints using high quality links, all the joints with 13 bearing, better performance;
 Behind machine arm  plus a control board fixed base, with the arm movement, even more convenient and beautiful;
 The baby's size and precision design, especially suitable for teaching and testing;
 The base is made of high quality steel arm large bearing fixed base is fixed machine arm movement is no longer shaking, bearing better performance;
  Product comes standard with clamp fixed disk, users can continue to DIY sucker, magnet, fork, gripper, gripper and other characteristics based on raw materials.


Parts are shipped Unassembled, users need to self-assemble commissioning (assembly instructions provided).
Technical reading
   The length of the arm is not done the better. The longer the load on the servos are large, direct impact on the life of the servo, the servo circuit overload Assembly burn, damaged steering gear. Certain of the arm has a direct impact on the performance of the longer arm strength is smaller, the smaller the available load. The manipulator calculated based on the common metal gear servos and servo circuit load to load the optimal size, play to the best performance servos. Use high-quality steel arm base large bearing fixed base is fixed machine arm movement is no longer shaking, bearing better performance. The bottom of the joint using two servo driven, forceful 2 times, 2 servo drive is more stable than a single servo drive.

Shipping List

  • Robot arm chassis: 1set
  • MG90s servo: 1pcs
  • MG996R/DS3218 servo: 3pcs
  • Screw nut: 1set

(1) The Two main shipping methods

When you order from the smaring.com, you can choose your preferred shipping method on the Order Information page during the checkout process. The smaring.com offers the following TWO different international shipping methods:

Shipping Way

Shipping Company

Estimated Delivery Time

Tracking Information

Registered Post

China Post,ePacket, HongKong Post, Singapore Post,etc.

7-39 days


Expedited Shipping

DHL, FeDex, UPS, EMS, etc.

6-13 days



(2) Free shipping on all orders over Some Value

If the total price of all orders in one time is over Some value (like $10, or $50, which can be seen at the head of each page), and the total weight is less than 2kg, then, your order would be FREE shipped by Registered Post all over the world. 

(3) Tracking your order

All orders can be tracked in the site: http://www.17track.net. Open this site, and fill in the tracking number, like RS387577781CN (NOT order number), Then you can see the shipping information.

Any problem, please contact us by http://www.smaring.com/help/

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Any problem, please contact us by http://www.smaring.com/help/.

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