German schrem workholding fixtures schrem model schrem price

schrem workholding fixture is an electromagnetic chuck that secures the workpiece by the suction force generated by the chuck body when the electromagnetic coil is energized. The electromagnetic chuck consists of several parts, including an iron core, coil, faceplate, and bracket. The electromagnet, composed of the coil and iron core, is the main part of the electromagnetic chuck. Electromagnetic chucks vary due to differences in design methods or materials used, and they are continuously developing and improving. Initially, electromagnetic chucks were used on grinding machines to replace clamping plates and bolts for securing workpieces to be ground. Such electromagnetic chucks are relatively simple and can only secure flat workpieces. This is the traditional electromagnetic chuck, and its application has significant limitations. With industrial development, the demand for electromagnetic tools from enterprises has grown, and the requirements have become higher, prompting a series of improvements to electromagnetic chucks to meet production needs.

schrem workholding fixture types

1) Standard rectangular electromagnetic chuck Application: Surface grinding machines with rectangular tables. 2) High-power electromagnetic chuck Application: Milling machines, planers, machining centers. 3) Fine-pole electromagnetic chuck Application: Surface grinding machines with rectangular tables, milling machines. 4) Multi-function high-power electromagnetic chuck Application: Surface grinding machines with rectangular tables. 5) Rotary electromagnetic chuck Application: Various surface grinding machines. 6) Electromagnetic chuck for tool grinding Application: Tool grinding machines. 7) Circular electromagnetic chuck (concentric type) Application: Surface grinding machines with circular tables. 8) Circular electromagnetic chuck (radial pole type) Application: Surface grinding machines with circular tables. 9) Circular electromagnetic chuck (plum blossom pole type) Application: Surface grinding machines with circular tables. An electromagnetic chuck is an electromagnetic fixture that secures the workpiece by the suction force generated by the chuck body when the electromagnetic coil is energized. The electromagnetic chuck consists of several parts, including an iron core, coil, faceplate, and bracket. The electromagnet, composed of the coil and iron core, is the main part of the electromagnetic chuck.

schrem workholding fixture principles and features

The structure of a flat vacuum suction cup consists of the suction cup and the suction cup clamp. First, the flat vacuum suction cup is connected to vacuum equipment, such as a vacuum generator, via a pipe joint, and then brought into contact with the object to be lifted, such as glass or paper. The vacuum equipment is started to create negative pressure inside the suction cup, securely holding the object so that transport can begin. When the object reaches its destination, air is gently introduced into the vacuum suction cup, changing the internal pressure from negative to zero or slightly positive, allowing the suction cup to release the object, thus completing the lifting and transport task. 1) High wear. Since it is generally made of rubber and directly contacts objects, it experiences severe abrasion and wears out quickly. It is a pneumatic wearable part. For this reason, it stands out significantly among many pneumatic components. 2) Easy to use. Regardless of the material of the object being sucked, it can be used as long as a seal is formed without air leakage. Electromagnetic chucks cannot do this; they can only be used on steel and cannot lift plates or objects made of other materials. 3) No pollution. Vacuum suction cups are particularly environmentally friendly, causing no environmental pollution, and generating no light, heat, or electromagnetic interference. 4) Does not damage the workpiece. Because vacuum suction cups are made of rubber, picking up or placing down the workpiece causes no damage. Hook-type and steel cable lifting gear cannot achieve this. In some industries, where surface requirements for workpieces are particularly strict, only vacuum suction cups can be used.

schrem workholding fixture selection

When selecting pneumatic grippers and jaw designs, these are the main factors to consider: 1) Part shape, orientation, and dimensional variations: If the object has two opposing flat surfaces, a double-jaw parallel gripper can be used to address dimensional deviations. For cylindrical objects, a double-jaw gripper can also be used for clamping. Note that retaining or encompassing gripping requires less force. 2) Part weight: The gripping force must be sufficient to hold the object securely during the required operations. The type of jaw design must be considered when calculating the required gripping force. Please note that safety factors should be considered when selecting the required force, and air pressure is also a factor to note. 3) Accessibility: This relates both to the operation being performed and the spatial size of the gripper jaws. If work is to be performed on the exterior of the object, internal gripping is required. Scissor-type grippers are usually cheaper but require more space for jaw movement. 4) Environment: Grippers used in harsh environments or cleanrooms require corresponding designs. 5) Object retention: When air pressure is no longer supplied, the gripper will release its hold on the object, causing it to drop. For such applications, spring-assisted grippers can be used.

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