QCTH,QCTHL Quarter-turn clamps

Product catalog summary

Quarter-Turn Clamps Overview
Quarter-turn clamps are mechanical devices used for securing components with a simple 90-degree turn. They are designed for easy operation and are available in various configurations, including metal, low-height, and plastic knobs.

Specifications

Materials: The body/shank is made from S45C steel with electroless nickel plating, while the knob is made from polyamide reinforced with glass fiber. The spring is equivalent to SWOSC-V steel.
Types: Available in QCTH, QCTH-S, and QCTHL-S models, each with different knob types and dimensions.
Dimensions: Various dimensions are provided for different models, including D1, D2, D3, L, H, and weight specifications.

Technical Information

Clamping Force: The clamping force varies by model, ensuring secure attachment.
Cam Receptacles: Proper cam receptacles are essential for effective clamping, with specific part numbers provided for compatibility.
Mounting: Options include thin-plate and embedded mounts, with specific instructions for each type.

Usage Instructions

Ensure the knob is at the "OFF" position.
Insert the quarter-turn clamp into the cam receptacle.
Turn the knob to the "ON" position to engage clamping. A click indicates successful clamping.
To release, reverse the steps.

Performance and Accuracy

Heat Resistance: The clamps can withstand temperatures up to 130°C.
Strength: Shear and tensile strengths are specified for different models.
Machining Accuracy: Repeatability is ±0.1, with spacing tolerance of ±0.04 for precise alignment.

Application Examples

Quarter-turn clamps are used in various applications requiring quick and secure fastening, such as fixture plates and camera mounts.

Catalog excerpts

QUARTER-TURN CLAMPS ReHSI★ Key Point-Easy-to-read ON/OFF position Iqcth (Plastic knob) (Metal knob) Iqcthl-s (Low-height knob) qcthl-S (Low-height knob) Part Number Furnished With • | qcth IfocTH-s || qcthls]0525-10 : 3 of socket-head cap screws, M2x0.4-5L ■ | qcth IfQCTH-s ||~qcthl-s 10834-14,0834-20 : 3 of socket-head cap screws, M3x0.5-6L

Open the catalog to page 1

Electroless Nickel Plated (Thin-Plate Mount) (Embedded Mount) 1. Ensure that the knob is positioned at the "OFF" mark. 2. Insert the 3. Turn the knob to the "ON" mark for clamping. Quarter-Turn Clamp. The knob clicks when it is clamped/unclamped. Continuing on Note: For unclamping, follow back these steps. Next Page

Open the catalog to page 2