This machine is a universal horizontal milling and boring machine. It is suitable for processing large-size work-pieces such as cases, shells, bases, etc. with drilling, boring, expanding, reaming, countering, milling, grooving and threading etc. The machine is widely used as key equipment to machining cases in the field of engine, transportation, heavy type, petroleum machinery etc.
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Major purpose of Heavy Duty DRO Horizontal Boring Mills
This Heavy Duty DRO Horizontal Boring Mills is a universal horizontal milling and boring machine. It is suitable for processing large-size work-pieces such as cases, shells, bases, etc. with drilling, boring, expanding, reaming, countering, milling, grooving and threading etc. The machine is widely used as key equipment to machining cases in the field of engine, transportation, heavy type, petroleum machinery etc.
1) The speed change of main motion and feed motion of the machine are all adopted hydraulic pre-selection centralized control, which can save the auxiliary time and increase the working efficiency of the Heavy Duty DRO Horizontal Boring Mills. The indicator lamps are lighted up to give the signal during the course of speed and feed changing.
2) The motion distribution of longitudinal, cross travel and rotation of moving units of the machine such as headstokc and table, clamping and unclmaping of moving units are provided with automatic electrical hydraulic interlocking devices, this make the machine with high automation.
3) The vertical coordinate (headstock lifting direction) and cross coordinate (table transverse movement) and longitudinal coordinate ( table longitudinal movement, supplied according to the custom's requirement) are provided with new type Digital Display Unit with memory function, which make the machine with complete function and high accuracy.
4) Electric-control system of machine adopts programmable controller with high reliability.
5) The lubrication oil for gears and bearings inside the headstock is coming from the gear pump in tail-bracket.There is a oil-watch window on the upper front side of the headstock to check oil supply conditions,and a oil leveler on the headstock surface that connected with the tail bracket. Removing the top cover from the headstock to fill in oil when it is necessary to fill in.
6) There are three kinds of measuring devices for detecting the travelling distance of the lift movement of headstock, the transverse and longitudinal (special provided) movement of worktable of this machine: ① spheroidal synchro and Digital Display Unit type Sapphive ② Raster Display Scale and Digital Display Unit type KN7023L③Induce synchro and Digital Displacement Display meter type SFW31. Optical aiming device with 7 magnifying power is adopted for detecting the four rotary positions 90°, 180°, 270°, 360°(0°)of the worktable.
7) The feed motion of all moving units of this machine is feeding per spindle revolution (e.g. traverse rate of spindle, headstock, table per spindle revolution). The power of various moving units comes from shaftⅤ driven by main driven motor. It can be transmitted through gears of speed-change device to shaft Ⅻ(the feed safety mechanism). After that the motion will be transmitted further through the forward and reverse mechanism, to the feed shaft XIII, then to the leadscrews or gear racks of various moving units, enable the spndle, headstock, cross & longitudinal saddles to obtain each 18 steps feed rates at low and high gear respectively.

Products Specification of Heavy Duty DRO Horizontal Boring Mills

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We stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for heavy duty dro horizontal boring mills, The product will supply to all over the world, such as: Swedish, Luxembourg, Sweden, Greenland, We have exported our products all over the world, especially the USA and European countries. Furthermore, all of our products are manufactured with advanced equipment and strict QC procedures to ensure high quality.If you are interested in any of our products, please don't hesitate to contact us. We will try our best to meet your needs.