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Ø1.5" Post Clamps with Tapped Mounting Surface![]()
2.50" 2.50" Large Removable Plates Provide a Variety of Tapped Holes and Counterbores C1520 Additional 2.50" x 2.50" Mounting Plate C1545 4.50" 4.50" C1511 PSHA Adjustable Height Collar Application Idea Detachable Mounting Plate Allows Exchanging of Setups Front Back ![]() Please Wait ![]() Click to Enlarge A spatial filter can be mounted to a Ø1.5" post using the #8 (M4) counterbores on the C1511(/M) Post Clamp. ![]() Click to Enlarge C1511 Mounted on a Ø1.5" Post with a PB4 Pedestal Base Features
The C1511(/M) and C1545(/M) Ø1.5" Post Mounting Clamps are an integral part of our Ø1.5" Post Assemblies, providing rigid, general-purpose mounting surfaces. These mounting clamps can be used for fastening our wide array of optomechanical mounts in much the same way breadboards are commonly used. The clamping mechanism is directly compatible with our Ø1.5" Posts. Vertical positioning is achieved by sliding the rear clamping mechanism along the length of the Ø1.5" post. Once the desired vertical position is achieved, the clamping mechanism is actuated with the attached handle. Alternatively, this handle can be replaced with a 1/4"-20 (M6) cap screw. Additional mounting plates can be purchased separately below. For users of the previous generation of post mounting clamps, a quick-release handle is available that allows for a simple and reliable way of securing these clamps to a post. It is easily installed by replacing the 1/4"-20 (M6) locking screw in the post clamp. The 2.03" (51.4 mm) long handle contains a 1/4"-20 (M6) threaded stud that engages the part by simply rotating the handle. The PSHA(/M) Adjustable Height Ø1.5" Post Collar offers a convenient height adjustment for post mounted hardware. An easy-to-access actuator ring allows fine height adjustment at 0.025" (0.64 mm) per revolution. This collar also allows components to be freely rotated without changing height.
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Thorlabs' C1511(/M) Post Mounting Clamp features a removable front plate that provides a variety of tapped holes and counterbores. This post clamp and mounting plate combination has been designed to work in conjunction with our popular Ø1.5" Posts. This clamp features a quick-release handle for securing the clamp to a post. The 2.03" (51.4 mm) long handle contains a 1/4"-20 (M6) threaded stud that engages the part by simply rotating the handle. An internal ratchet-type mechanism allows for the handle's rotational position to be adjusted without actuating the mounting stud. In the drawing to the right, the locations of the tapped and counterbored holes are called out by letters, while the dimensions and type of each hole are listed in the table above. ![]()
This adapter plate gives additional versatility to the C1511(/M) Mounting Post Clamp by allowing assemblies on the adapter plates to be swapped. As shown by the drawing above, it contains a generous distribution of 8-32 and 1/4"-20 tapped holes and #8 and 1/4" counterbores. ![]()
Thorlabs' C1545(/M) Post Mounting Clamp features a removable front plate that provides a variety of tapped holes and counterbores. This post clamp and mounting plate combination has been designed to work in conjunction with our popular Ø1.5" Posts. This clamp features a quick-release handle for securing the clamp to a post. The 2.03" (51.4 mm) long handle contains a 1/4"-20 (M6) threaded stud that engages the part by simply rotating the handle. An internal ratchet-type mechanism allows for the handle's rotational position to be adjusted without actuating the mounting stud. In the drawing to the right, the locations of the tapped and counterbored holes are called out by letters, while the dimensions and type of each hole are listed in the table above. ![]()
This adapter plate gives additional versatility to the C1545(/M) Large Mounting Post Clamp by allowing the assemblies on the adapter plates to be swapped. As shown by the drawing above, it contains a generous distribution of 1/4"-20 tapped holes and #8 and 1/4" counterbores. ![]()
The PSHA(/M) Adjustable Height Ø1.5" Post Collar offers a convenient height adjustment for post mounted hardware. An easy-to-access actuator ring allows fine height adjustment at 0.025" (0.64 mm) per revolution. This collar also allows components to be freely rotated without changing height. To use, slip the collar over a Ø1.5" post and hold at the desired height. Tighten the 1/4"-20 (M6) cap screw to secure the collar's position on the post via the flexure clamp. Place an optomechanic around the post on top of the collar and twist the actuator ring to adjust the component's height. The height can be locked by tightening the 8-32 setscrew with a 5/64" (2 mm) hex. The nylon ring on top of the collar prevents marring while adjusting the height. ![]() ![]() Click for Details Left: C15QR Quick-Release Handle Being Attached to the C1511 Post Mounting Clamp Right: Pull Back to Rotate the Position of the Handle
The C15QR(/M) Quick-Release Handle provides a simple and reliable way of securing a flexure-based Ø1" (Ø25.0 mm) or Ø1.5" post clamp. In many cases a cap screw is used to lock a flexure-based clamp in place on a post, which requires a balldriver for adjustments. Depending on the mounted load, using a balldriver can be difficult, or even unsafe. This quick-release handle mitigates this problem by allowing the clamp to be hand-tightened, ensuring better control over the amount of torque applied to tighten or loosen the clamp. This also decreases the amount of time needed for basic setup and alignment by eliminating the need for additional balldrivers and allowing for a quick way to secure a clamp. Easily installed by replacing the 1/4"-20 (M6) locking screw in a post clamp, the 2.03" (51.4 mm) long handle contains a 1/4"-20 (M6) threaded stud that engages a part by rotating the handle. Once the handle is tightened to secure a clamp to a post, the internal ratchet-type mechanism allows for the handle's rotational position to be adjusted without actuating the mounting stud. Simply pull the handle outwards to disengage it from the mounting stud, as shown in the image to the right, then rotate it to a more convenient position. This feature ensures that the handle will always be accessible to the user. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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