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Angle plates come in different types, each serving a specific requirement. Here are the most popular types of 90-degree angle plate:
Basic Angle Plates
This is the simplest variety of angle plates known as basic angle plates. They are employed to position the work at the required angle on the surface plate of a workshop. Basic 90-degree angle plates are manufactured using cast iron. In addition, they come with grooved machining for added versatility. Basic angle plates are meant for people performing standard machining activities.
Adjustable Angle Plates
Adjustable angle plates are needed where variable angles are experienced. They feature a basic structure, but one side of the plate is adjustable with a pivot mechanism. This allows that side to move for different angles of setting up. Adjustable 90-degree angle plates are more versatile than fixed ones. They are preferred in operations where different angle settings are experienced.
crazy angle plates
Crazy angle plates can hold unlike workpieces at various angles and positions. They have a complex shape structure with multiple slots and benches. For this reason, they are optimal for uncommon or specialized setups. crazy angle plates are often used in custom machining operations that require unique positioning.
V-Blocks and Angle Plates
V-blocks and angle plates combine perpendicular and angular workpiece positioning features. The V-notch can hold round and cylindrical pieces for machining. Meanwhile, the angle plate can provide support for horizontal machining operations. Manufacturers use these types of plates in industries where both cylindrical and flat machining are needed.
Magnetic Angle Plates
Magnetic angle plates stick to machine tables or other magnetic surfaces through built-in magnets. They provide quick and easy setup. The magnetic base holds the workpiece in place, even on vertical surfaces. These plates are used in the above welding or machining processes on irregular-shaped workpieces.
The angle plates have unique features that offer many advantages. Here are some key features of 90-degree angle plates:
High Precision
Angle plates are manufactured with extreme accuracy. They provide a true right-angle reference for aligning workpieces. The plates are essential for precision machining in industries where accuracy is paramount, such as aerospace and electronics.
Durable Construction
Angle plates are commonly built of cast iron or steel. These materials are resilient and can stand up to frequent machining. Steel plates provide higher tensile strength and can bear heavy loads, while cast iron plates have shock absorption attributes. They help retain stability when machining.
Screw and Slot Design
The inner sections of the angle plates contain slots and tie sections for the easy installation of workpieces. These grooves enable the fast and simple attachment of components. It ensures they are held securely in the required setup position for precise machining.
Versatile Applications
Angle plates are applicable in machining, welding, and even assembly tasks. The plates are used for holding items in position. They ensure that components are correctly aligned at right angles for precision operations. Further, they are used for both flat and cylindrical items, increasing their application range.
Improved Machining Efficiency
Using an angle plate saves time by providing a stable and accurate platform for positioning workpieces. This reduces misalignment issues and the need for frequent adjustments during machining.
It is important to consider several factors when choosing angle plates. The following are the key factors:
Material
Angle plates manufactured from premium material will have a longer service and working life. They include offered metal, cast iron, and steel. Steel plates have more strength. They can also resist deformation under stress. Meanwhile, cast iron plates have finer absorbing vibrations for greater stability. What works best depends on the application and environment.
Workpiece size
Consider the size of the workpiece. Larger workpieces will need bigger angle plates. Ensure the plate has sufficient surface area to bear the load of the workpiece securely. Failing this, the workpiece will hang over the sides, causing instability and inaccurate machining. Conversely, small workpieces will need compact 90-degree angle plates.
Manufacturing standards
Ask the manufacturer which standards the angle plate was manufactured to. Reliable manufacturers will have the plates made following recognized precision standards. These standards ensure there is uniformity and accuracy in the products. They also demonstrate the manufacturer's commitment to quality. Do ensure they have proper certifications to them.
Price
Set a budget. Angle plates range widely in the price due to material and brand. However, keep in mind to invest in a quality plate since it plays an integral role in machining. While a premium plate may be pricier, it will offer more longevity and precision for the job. Also, consider the long-term maintenance costs rather than just the upfront cost.
Mounting
The profound magnetic plates must be mounted on a horizontal surface. The surface can be either a machine bed or another worktable. The mounting must be done firmly to ensure stability.
Positioning
The workpiece must then be aligned with one of its faces to the magnetic base plate. Special care should be taken that the face is aligned with the magnetic base. The workpiece should be rotated until all four corners are equal in distance from the magnetic base plate.
Activation
To activate the magnetic plates, the user should press the switch to energize the magnets. This holds the workpiece firmly in position against the magnetic base.
Machining
After activating the magnets, machining on the workpiece can begin. A normal machining process should then be carried out with the magnetic plates holding the workpiece firmly in place.
Regular Cleaning
The angle plates must be cleaned after use. The debris, rust, or residues left on the plates will affect the precision on the next use. Use a non-abrasive cleaner. Avoid putting harmful cleansers directly on the device. The residues can also affect the next operation.
Frequent Inspections
It is advisable to frequently inspect the angle plate. It helps identify any irregular wear or damage early enough. Look out for corrosion, especially on magnetic plates. Corrosion affects the plate's magnetic strength and precision when machining. Small dents or warps will also hinder accuracy.
Lubrication
Inevitably, some components will develop a habit of becoming slack after a while. Apply lubricants to the movable parts, if any, for a 90-degree angle plate. Lubricant ensures the components are well-implemented and don't wear out too quickly. Moreover, it inhibits rusting due to lack of moisture. Again, remember to wipe off any lubricants on the plate before use. It could impede machining precision.
Proper Storage
Just like cleaning, storage is equally critical. Store the angle plate in a clean and dry location. This protects it from fine dust and humidity that may cause oxidation. Further, store them in a way that no stress or force gets to the plate. Plates that undergo stress get warped over time, leading to inaccurate machining.
Rotation
Rotate the angle plate position from time to time, if possible, to avoid wearing a single spot. It reduces the chances of forming a dent in a certain area due to repetitive machining. Furthermore, rotating prolongs the plate's precision attributes.
It is not only the components that get exhausted. Angle plates wear out too. Plates may require replacement when there is a significant warp or bend. Regular 90-degree angle plates users understand how vital precision is. No one will risk the workpiece due to warped angle plates. Also, plates with deep scratches, dents, or corrosion work poorly. They can affect the tools and machines, too. More so if the scratches are so deep as to hinder almost all corroded areas are at the machined section. Lastly, if electronic angle plates have outdated technology, consider replacing them with recent models with improved functionality.
Yes, because of the ferrous nature of the materials constituting the plates. Magnets will stick to the plates and hold workpieces in position firmly. It doesn't matter whether the angle plate is flat or v-shaped; there is always a magnetic counterpart. To what extent should the holding power be? According to Research, the holding power must be thrice the weight of the workpiece. Do this, and there will be no movement whatsoever. Less magnetic power than this will result in movement from cutting forces, which is unwanted.
Angle plates do have precision. It is one of the reasons they were invented. Therefore, they hold workpieces in position accurately to give the required angle. That is 90 degrees. But how precise are angle plates? Note that precision varies from manufacturer to manufacturer and the type of 90-degree angle plate. The error of good angle plates shouldn't be more than 0.001 inch per foot. NIST has a simple guide for this, and referring to it will let one pick precise angle plates. Measuring perpendicularity between the two faces of the plate will suffice the needs.
Yes, angle plates are quite strong. They are manufactured using high-strength materials such as steel and cast iron. These materials give the plates durability and rigidity. And, of course, rigidity is a sign of strength. However, the strength of an angle plate will depend on the kind of material used, the machining process, and the work conditions. Regular maintenance will prolong the plate and ensure strength over time. Although angle plates are strong, there is a limit to their load-carrying capability. A user should be conscious of this limit not to overload the plate.