Types, performance characteristics and safety operation procedures of gantry milling machines, Nanjing Precision Engineering Co., ltd

by:NJPE     2020-01-08

Gantry milling machine is a kind of mechanical equipment that can process large workpieces in plane and inclined planes.  It is suitable for batch and mass production and can also be referred to as gantry milling for short, it has a door-type frame and a horizontal long bed, with high machining precision and high production efficiency. Among them, in the numerical control gantry milling machine, some special parts can also be processed in space or curved surface, which is widely used. 1. The difference with the gantry planer the shape of the gantry milling machine is similar to that of the gantry Planer.  The difference is that its beam and column are not equipped with a planer tool holder but a milling cutter holder with a spindle box, and the reciprocating motion of the longitudinal table of the gantry milling machine is not the main motion, but the feed motion, and the rotary motion of the milling cutter is the main motion. 2. According to whether the gantry is moving, it can be divided into gantry fixed Workbench mobile and gantry mobile (Also known as Bridge). Bridge gantry milling is characterized by small floor area and large bearing capacity.  The gantry stroke can reach 20 meters, which is convenient for processing long or heavy workpieces; According to whether the beam moves on the column, it can be divided into moving beam type and fixed beam type; The movement of the beam on the elevated bed is called the elevated type. 3. Performance characteristics (1) Gantry milling machine has the characteristics of sufficient rigidity, high efficiency, convenient operation, simple structure, comprehensive performance, etc.  The specific characteristics are as follows :(2) Vertical milling head is equipped with TX400 heavy gantry milling head, double rectangular guide rail, strong rigidity. (3) The milling head is equipped with ball screw, pneumatic broach device and servo motor drive. (4) The side milling head is equipped with V5 gantry milling head and equipped with independent lubrication device.  The lifting is driven by ordinary speed reducer and the speed is adjusted by frequency conversion. (5) General milling/numerical control milling one-button conversion three-axis numerical control system, I . e.  programmable operation and manual operation using expansion panel, is extremely practical in the actual precision machining process. (6) Bed in A, beam up and down, li xian tou up and down are with Taiwan ball screw by servo motor drive. (7) Handheld electronic handwheel unit for easy three-axis tool setting. (8) The unique beam lifting safety interlocking device ensures the repeated positioning accuracy of the machine tool. (9)The standard cycloidal pump set is continuously lubricated with low failure rate. 4. Safety operation procedures (1) The work should be clamped with pressure plates, screws or special tools. Use a normal wrench and do not add a sleeve to avoid slipping and hurting people. (2) The tool must be clamped firmly, otherwise it is not allowed to drive. (3) Before working, check the operation of the transmission part of the machine tool and install the baffle of the machine tool before running. (4) When milling various workpieces, especially rough milling, slow cutting should be carried out at the beginning. (5) When moving the workbench and tool holder, loosen the fixing screw first. (6) When loading and unloading tools, copper hammer or mallet should be used to prevent tool fragments from flying out and hurting people. (7) During cutting, it is not allowed to change speed and adjust the cutter, and it is not allowed to touch or measure the workpiece by hand. (Figure/text http://www . wxdtc. com /)
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