Description
Robot cells and automated lines hold hundreds of small fasteners. Servo mounts, linear guide blocks, sensor brackets and gripper plates all need a set torque. The Snap-on QD1R200A torque wrench handles that work on a 1/4″ square drive. It adds a fixed ratchet head to an adjustable click mechanism that sets from 40 to 200 in-lb.
Why automation techs like a small ratchet
Automation hardware often hides behind guards, cable chains and air lines. A ratchet head lets the tech turn a cap screw in short swings, so they do not lift and reseat the socket each time. Then the click marks the target, and the job moves on. Because the drive is only 1/4″, the QD1R200A also takes the small sockets and hex bit adapters that fit cap screws in tight spots.
Robot cell tasks for the Snap-on QD1R200A torque wrench
- Linear guide rail and carriage block screws.
- Servo motor and gearbox flange screws on small axes.
- Gripper, end-of-arm tooling and sensor bracket hardware.
- Valve manifold and cylinder mount screws.
In every case, take the value from the component maker’s manual, since rail and motor makers each publish their own tables.
Reading guide rail tables in in-lb
Rail and motor tables from Japanese and German makers list torque in N·m. To use them with the QD1R200A, divide by 0.113. For example, a spec of 6 N·m becomes about 53 in-lb. Likewise, 15 N·m becomes about 133 in-lb. Note that the scale tops out at 200 in-lb, or about 22.6 N·m, so larger cap screws may need a bigger wrench.
Keep it clean around the cell
Robot cells collect fine metal dust and grease mist. So wipe the Snap-on QD1R200A torque wrench after each job and keep it in its case. In addition, check that the ratchet turns smoothly before you start a torque pass. Set the handle back to 40 in-lb at the end of a shift. Then record the serial number in the cell’s maintenance log, so each torque pass links to a known tool.
Order the QD1R200A through Lost in HCM
SMK Vietnam lists the QD1R200A, while our partner Lost in HCM supplies it and prices each order. Describe your cell when you request a quote from Lost in HCM. You can also explore other torque wrenches or contact SMK Vietnam with a question about your cell.
Automation team questions
Does the Snap-on QD1R200A torque wrench suit very small screws?
Usually not. Tiny screws often need less than 40 in-lb, which is the bottom of the QD1R200A scale, so a torque screwdriver suits them better.
What is the difference between the QD1R200A and the QD1200A?
Both cover 40-200 in-lb on a 1/4″ drive. The QD1R200A has a fixed ratchet head, while the QD1200A has a fixed head without a ratchet.
Who sends the QD1R200A quote?
Lost in HCM. SMK Vietnam lists the QD1R200A, and Lost in HCM confirms price and lead time.
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