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Generally, a CHM precision universal vise is an apparatus for supporting a workpiece in a fixed position. However, they can be separated into a few types based on some features.
A CHM precision fixed jaw vise features a one-piece jaw mounted to the body of the vise. Fixed jaw design is characteristic in many other types of vises, including pipe and bench. However, it has many benefits and downside that affect their usability. For instance, a fixed jaw itself can be used to apply clamping force to a workpiece.
Multiple jaw designs:
A CHM precision vise with more than one jaw is known as a universal jaw design. The moving jaw slides and applies pressure to the workpiece from its stationary position. One of the key benefits of multiple jaw designs is their ability to hold unusual or non-rectangular shapes.
Mini Vise:
Although machining tasks don't need many clamps, they are Mini precision vises designed to handle smaller workpieces and provide precise control for delicate tasks. Overall, their lightweight and compact design make them very suitable for easier mobility and minimal space requirements.
Electronically Powered Vise:
This model has advanced features like automatic closing and opening operations as well as electronic controls and sensors that improve clamping force control, precision, and consistency. They are mostly used in high-demand machine shops that require quick setups for easier and faster turnaround times.
CMM Vises
The specifications for Coordinate Measuring Machine (CMM) vises include their overall sizes, such as length, height, and width. Standard sizes are very common, but custom sizes are available for any CMM machine configuration. Additionally, the maximum jaw opening and jaw faces will vary with each CMM precision vise. The weight-bearing capacity is also crucial since heavy workpieces need sturdy grips to keep them still while any measuring action takes place.
Machining Vises
CNC machining vises have jaw setups that can vary between fixed and self-centering jaws. The types also include the maximum opening capabilities and whether the jaws are parallel, contour, or pointed. An essential machine part, like the lead screw or rack and pinion, perhaps, is included in the above description or a separate specification table. The overall size and weight capacity of machining vises are similar to those of CMM precision vises.
Universal Hand Vises
Universal hand vise specifications are quite different from those of machine vises. Made of lightweight aluminum alloy, universal hand vises have contoured jaws to provide a firm grip on irregular workpieces. Their sizes are smaller, and their accuracy is within a few thousandths of an inch. Furthermore, no complicated machine parts are included, and a simple specification table will suffice. Like machining vises, the maximum jaw opening and weight that can be gripped are parts of the hand vise's specifications.
Learning about the features of precision machine tool vises is essential to understanding how to maintain them. Some, like the universal hand precision vise, can be maintained by any user with a simple cleaning operation. However, machine vise tools must be kept lubricated, especially moving parts like lead screws, rack and pinions, and bearings. Regular cleaning and removal of debris, dust, and dirt will make the machine parts long-lasting.
For more specific machine tool maintenance requirements, it is better to consult a professional or refer to any manuals. Here are a few suggestions:
Construction industry
In the construction and woodworking industries, the 3 jaw vise is one of the most common clamps. Universal vises are perfect for gripping irregularly shaped workpieces in various positions or angles without adjusting the workpiece.
Machinery maintenance and repair
Universal machine vises are essential tools for machinery maintenance and repair. Universal machine vises provide superior gripping power for irregularly shaped workpieces. Maintain and repair machinery faster, improve efficiency, and reduce downtime.
Metalworking and machining
The precise control and reproducibility that universal machine vises offer are their key advantages for metalworking and machining operations. Universal vises are therefore suitable for machining operations such as clipping, boring, tapping, threading, and turning.
Hobby and DIY projects
For hobbyists and DIYers, universal machine vises are indispensable tools. They help fix and securely hold workpieces. With universal machine vises, people are free to create and explore their DIY ideas.
Educational purposes
Universal machine vises are also used in schools and educational institutions. They will be used for practical training and technical teaching, helping students understand how to operate and use machining equipment properly.
When buying a precision universal vise, there are many factors to consider for optimal machining purposes. The material of the vise should be prioritized as that with the iron-aluminum alloy provides sturdiness. Such a machine tool will avoid deformation or breakage in difficult conditions. For this reason, universal machine shop vises with cast iron or alloy make excellent choices as they provide extreme durability. Steel CHM precision universal vises also provide support, for they are robust.
A good-quality universal vise is made with a parallel jaw that holds objects. One might not be able to see the parallel jaw until they closely inspect the vise. Nevertheless, it plays a significant role in ensuring that the workpiece is firmly held with utmost precision. Steel jaws are preferred, for they are rough enough to hold the workpiece tightly. Some jaws can be replaced with softer ones, such as aluminum. Also noteworthy is serrated jaws that hold grips tightly but can be easily removed when not needed. They should lock on the workpiece and hold on as long as needed.
When choosing a vise, examine the clamping force. A good-quality precision machine vise possesses a considerable clamping force that keeps workpieces firmly in place during machining or drilling procedures. While there is no fixed value for clamping force, universal vises have a greater force because their purpose is to hold objects with precision and stability. For selecting, one can test the machine by trying to clamp on a known weight to assess its force.
Consider the maximum jaw opening. This refers to the maximum distance between the jaws when the vise is opened. Jow jaw openings vary from one machine vise to another. A precision vise machine with a greater jaw opening will accommodate a larger workpiece. This makes it versatile for use with many workpieces.
Q1. How to open the CHM precision universal vise?
A1. Users should always rotate the handle clockwise to open the vise and counterclockwise to close it.
Q2. What are the sizes of CHM precision universal vises?
A2. On the market, these vises are in different sizes, including 4 inch, 5 inch
Q3. What are the materials of CHM precision universal vises?
A3.Sometimes referred to as cast iron vises, the body and jaw of an iron jaw vise are made of cast iron. Metal is used to make the movable jaw and metal jaws are tougher and more resilient than their wooden counterparts, making them ideal for heavy-duty work. The most common material for soft jaws is aluminum; however, some vises have plastic or rubber soft jaws.
Q4. What are the features of CHM precision universal vises?
A4.Universal precision vises feature a swivel base that allows setting the workpiece at any angle without removing it from the vise. The slide jaw of a universal vise can move independently of the base jaw, which is a feature that distinguishes it from a frequently confused gamma vise. Because of this mobility, an item can be held solidly from the sides and top, even when shaped irregularly.
