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Important Knowledge About Hydraulic Shears
When you apply a high pressure tool through a metal plate and remove part of the metal, the process is called shearing. Shear machining devices include punching machines, which make small discs, and blanking machines, which produce washers and similar objects.
Direct tool ordinary machining is NOT the same as shear machining. With standard tool machining, a single or multiple point tool can be employed to take out a piece of metal from the metal sheet and/or block. This process required repeated pounding of the metal until the required dimensions are achieved. With shear machining, the tool's cutting edge removes the metal from the plate. While this happens, maximum pressure is applied. The tool, however, only touches the metal one time.
Both mechanical and hydraulic machines can perform shear machining. Hydraulic shears cut and score sheet metal quickly and accurately. They work well for factories that do a lot of metal fabrication. In addition, hydraulic shears are best if the operation requires intense pressure. They don't require a lot of maintenance, will operate continuously, and are fast and quiet. Hydraulic shear machines also take up less space than mechanical shear machines while applying the same amount of pressure.
When the metal is inserted into hydraulic machines, it is secured by clamps so it does not shift under high pressure. To ensure that the cut is smooth and even for a 90 degree cut, a squaring arm or back gauge must be used. Minute burrs may be formed by the edge of the cut metal; these must be removed by grinding. If you use hydraulic shears, be careful of the little marks left by the cutting blades and holding clamps while working. You will need to remove them or otherwise account for them.
There are a wide variety of hydraulic shear machine models on the market that accommodate a large range of metal plate sizes. Many metal cutting applications can be used, and the metals can often be reused. You may be surprised at the appearance of modern hydraulic shears. Rather than being clunky and loud, they are finely enclosed within large standalone units that operate without much noise.
The machines are equipped with several sets of sharp blades that cut the metal into specified shapes and sizes. Onlookers find it difficult to believe that, within that attractive compartment, extreme pressure is being generated to cut the metal. Since the current models of hydraulic shears normally don't require any installation into the floor itself, they can easily be moved to any place they are needed within the production line.
You need to always exercise caution when operating a hydraulic shear machine, even though all the shearing components may be located internally. It is important to keep the machine's blades sharp since this will prevent off-cuts and maximize the machine's efficiency. In addition, it is essential that all moving parts be cleaned and lubricated frequently. To avoid damaging the machine, be sure the machine has the proper levels of hydraulic fluid.
About the Author
As a man who has spent the last 20 years in a machine shop, Michael Headingten is the best resource for information on metal bending equipment and hydraulic press brakes. From plate rolls to press brakes, he has used them all and knows all of the find points of their production.
Here are some great places to shop for all things Gauge Metal Shear at the best prices:
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14 Gauge Electric Shear Metal Cutting Tool 2500 RPM Sale Price: $53.99  |
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? Electric Hand Shear ? Powerful 120V / 60Hz 4.0 AMP ? Cuts up to 14 gauge mild steel and 18 gauge stainless steel ? Variable speed switch 0 - 2,500RPM ? Head swivels 360° |
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Malco TSHD Turboshear Heavy-Duty List Price: $87.15 Sale Price: $66.99 Used From: $64.61 |
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Heavy duty Turboshear. Heavy duty, attachment inserts into chuck of 3/8'' or 1/2'' drills. Cuts straight and to the left, up to 20 gauge galvanized steel, also cuts 18 gauge steel. Ideal for cutting in ferrous and nonferrous sheet metals, metal roofing/building panels, vinyl, steel mesh, and ductwork... |
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Malco TS1 Turbo Shear 20 Gauge Capacity Sheet Metal Cutting Attachment for 3/8-Inch Drills List Price: $49.61 Sale Price: $39.41 |
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The Malco TurboShear convert your power drill to a power shears. To operate this time-saving tool, simply insert the TurboShear directly into any 3/8-inch chuck of a standard 1,200 RPM A/C or cordless drill... |
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Klein Tools 63050 9-1/2-Inch High Leverage Cable Cutter List Price: $32.68 Sale Price: $21.75 |
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9 1 2" long. High leverage design. Cable gripping, shear type jaws cut up to 4 0 aluminum, up to 2 0 soft copper, up to 100 pair 24 gauge communication cable. Ideal for working in confined spaces. Tough, comfortable, red plastic dipped handles... |
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Kawasaki 840358 Black 4 Amp Metal Shear List Price: $115.02 Sale Price: $90.99 |
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840358 Features: -Metal shear.-For cuts through metal sheeting quick and easy.-No load speed: 0-2,500 RPM.-Ball-bearing motor and swiveling head for easy cuts. Specifications: -4 Amp motor metal shears is powerful... |
