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In order to build a good machine tool, many precision components must be integrated. In the assembly line of machine tools, many things need to be prepared, such as base, saddle, turret, working or rotary table, tools, shanks, spindle, motors, pumps, electric system, power turret, live tools, indexing units, tool magazine, changing pallet, box and box and linear guides, column frame, filter, chip conveyor, and many other fine and tiny precision components. Here, we will introduce some of them.
Among various mechanical power sources, machine tools with DD spindles are usually designed to have a larger machine body, so that they can accommodate larger and longer spindles, and ultimately provide greater processing strength for the work piece. Some spindles are designed and developed for specific models and functions, such as turning spindles, milling spindles, and drilling spindles.
Only when the spindle is installed correctly, the machine tool can exert its due ability. In addition to the direct drive motor, the spindle also includes a variety of other designs. On woodworking lathe or metalworking lathe, the spindle is the central component of the headstock case. On the other hand, in rotating-cutter woodworking machinery, the spindle is a part component, equipped with shaped milling cutters, which is used to cut features (such as profiles of rebates, beads, and curves) into moldings and similar millwork process.
The spindle is the rotational shaft of the machine and the shaft is usually designed to be center. The central shaft itself is called the spindle, but it is also used in the market to describe the entire rotating unit, including not only the shaft, but also the surrounding bearings and accessories, such as chucks and cylinders.
From this perspective, the built-in spindle is one of the top spindles. Due to its electric-driven nature, it is self-motorized, and it is designed so that the power unit is close to the spindle headstock. Several different spindles can be installed in the machine tool, such as the headstock and tailstock spindles on a bench lathe, or primary spindle and secondary spindle on the machining center. The main spindle is usually the biggest one installed on the primary machining unit.
In the market, the term "spindle", which is not further defined, only refers to the main spindle. Some machine tools dedicated to mass production models have a set of four, five or even six spindles. These are called multi-spindle machine tools. For example, gang drills and many screw machines are multi-spindle machines that can be process simultaneously. Although a bench lathe has more than one spindle, it is not called a multi-spindle machine in terms of functionality.
In order to achieve powerful and fast machining, the power turret is a modern standard accessory for many CNC turning machines, and as one of the most important and powerful accessories for users of CNC lathes. Taiwanese suppliers are committed to this business and have developed many high-end power turrets and power tool series to support lathe users in the global market. Many power turrets are driven by single motor with servo feature. Thanks to the excellent features of the servo motor, it can ensure the best processing results and save the best energy consumption. Some of these servo motors are brushless types. At the same time, they can provide great rigidity to the work piece, thereby providing the machine operator with ideal cutting conditions to achieve excellent repeatability.
In the industrial field, in addition to metal cutting, metal forming is also important. In a press machine, the piston acts as a part of the system and functions as a pump, and its mechanical force acts on a small cross-sectional area. In addition, another part of the machine is a piston with a larger area, which generates a relatively large mechanical force.
The C frame hydraulic press is a press based on the same mechanical principle. Its design has a bowed shape appearance similar to the letter C and can usually be operated vertically. Hydraulic presses are usually used for various forming operations in the metalworking field, such as clinching, forging, molding, punching, blanking, deep drawing, and other metal forming operations on various metal materials. The use of a press can greatly shorten the cycle time of the production process. At the same time, compared with metal cutting, metal forming provides a faster shaping solution, which makes mass production feasible and can be further improved.
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