1. Installation
1.Working environment
The machining center is a high-end CNC machine tool that has strict requirements on the working environment. It should not be installed in a place where the room temperature is too high, the humidity is too high, the power grid voltage is unstable, the fluctuation is too large, or there are high-power equipment that starts frequently (such as a gantry planer). , medium and high frequency heat treatment equipment) and in working environments with too much dust around. Generally, the room temperature is 0~40℃, the relative humidity should not be greater than 85%, and the voltage fluctuation should be -15%~10%. Specific requirements should be strictly implemented according to the factory instructions and related information provided by the machine tool manufacturer.
2. Installation basics
After the machine tool user and the machine tool manufacturer sign a machining center purchase contract, the user should lay the foundation for the installation of the machine tool by referring to GB50040-2020 "Power Machine Foundation Design Standard" according to the requirements of the foundation map (basic map) and related materials provided by the machine tool manufacturer.
For small machining centers (except high-speed machining centers), the installation work is relatively simple. As long as the thickness of the cement floor in the workshop is not less than 300mm, there is no need to lay a new foundation and embed anchor bolts. The horizontal position of the machine tool can be directly adjusted with support screws.
For large and medium-sized and precision machining centers, it is generally necessary to make a foundation and reserve holes for the anchor bolts so that the anchor bolts can be installed and cement can be poured after the machine tool is leveled. The precision machining center should also have anti-vibration trenches around its foundation. When making the foundation (laying the foundation) of the processing center, attention should be paid to the following two aspects: when pouring the foundation concrete, it must be poured continuously at one time and cannot be poured in layers; care should be taken to maintain the foundation concrete after pouring, and its maintenance period should be Not less than 28 days.
2. Initial positioning of machine tools
When the foundation reaches the maintenance period, various work on the bed positioning can be carried out. Before removing the machine tool packaging box, carefully inspect the packaging box for obvious damage. If there is no obvious damage, the machine tool packaging can be removed.
After unpacking the machine tool, you should first find the accompanying documents and inventory the machine tool host, components, accessories, peripherals and cables according to the machine tool packing list. Then according to the requirements of the machine tool manual, put the basic components of the machine tool (such as the bed and base) in place, use adjustable pads to support the corresponding basic components, install the anchor bolts accordingly, and find the level of the installation foundation before assembling. .
Before assembling and connecting the various components of the machine tool, first clean the outer surfaces of each component, remove the anti-rust paint on the installation and connection surfaces of each component, the guide rails and the moving surfaces, and clean them. Then according to the machine tool manual, assemble and connect the various parts of the machine tool into a complete machine. When assembling and connecting, if you need to install the column, CNC device cabinet, electrical cabinet, etc. on the bed, or install the tool magazine manipulator on the column, and connect the front and rear bed, you should try to use the original positioning pins of the machine tool. Positioning blocks and other positioning components to ensure that the installation position of each component is restored to the state before the machine tool was disassembled, which is conducive to the next step of precision debugging.
After the components are assembled, the cables, oil pipes and air pipes are connected. There are electrical wiring diagrams and pneumatic pipeline diagrams in the machine tool manual. You can connect the relevant cables and pipe joints according to the marks according to the diagrams. When connecting, pay attention to clean and reliable contact and sealing, and check whether there is looseness or damage. After the cable ends are inserted, be sure to tighten the fastening screws to ensure a reliable connection. When connecting oil pipes, all pipe joints must be aligned and tightened. After all the cables and oil pipes are connected, the cables and oil pipes should be fixed in place and the protective cover should be installed to ensure the safe operation and clean appearance of the machine tool.
Details description
This book introduces the components, typical structures, processing principles, programming methods, classifications and intelligent development trends of machining centers, analyzes the design principles, standards and advantages of machining centers, and explains the selection principles and selection parameter evaluation of machining centers. , installation and commissioning methods and acceptance, and focused on the selection points and typical cases of boring and milling machining centers, turning machining centers and composite machining centers.
This book is compiled by the editor from many years of new project equipment planning, domestic and foreign automobile manufacturing factory inspections, domestic and foreign equipment and tool manufacturing factory technical exchanges, field inspections, equipment acceptance, and actual production equipment management and maintenance, based on decades of changes in equipment. A large amount of data was collected and compared with various manufacturers, and it was summarized and compiled. This book not only breaks through the writing method of traditional textbooks, but also keeps up with the most cutting-edge technology and has a very good guiding effect on the production work of people in the manufacturing industry.
