2MK2240×2000mm CNC Vertical Honing Machine

Main functions of the machine tool:

2MK2240 CNC vertical honing machine tool is an ideal machine tool for machining deep hole parts. This machine tool is suitable for honing various hydraulic cylinders, spindle holes, cylinder holes, and cooling holes. The hole size accuracy of the machined parts can reach IT7~IT9, and the surface roughness of the inner hole: Ra0.4~1.6μm.

It can be honed as a whole or partially; During local honing, the taper, ellipticity, and local aperture errors of the workpiece can be corrected.

All castings of the machine tool adopt the design concept of box structure, and through finite element analysis and optimization design, make them have the characteristics of reasonable quality, high rigidity, high precision and so on.

All castings of the machine tool are cast using high-strength cast iron and resin sand. All castings are normalized after casting to eliminate internal stress generated during the casting process. After roughing, normalizing is carried out again to further eliminate the internal stress generated during the casting process, and at the same time, the processing stress generated during roughing is removed, so that it has good precision and stability.

Overview of the overall layout and main component structure of the machine tool:

The overall layout of this machine tool: the lower part of the machine tool is located below the ground level, so that the upper end of the workpiece is above the ground level, which is convenient for manual measurement. The machine tool adopts an overall layout in which the upper end of the workpiece is fixed and the lower end of the worktable can move up and down.

The bottom of the machine tool can be installed below the ground according to user requirements, so that the upper end of the workpiece is at a height that is convenient for manual observation and measurement.

Main components of this machine tool: The machine tool consists of a base, workbench, spindle box, servo tool raising system, column, cooling system, numerical control system and other main components.

The main castings of this machine tool are: base, workbench, spindle box, and column.

Note: The machine tool shown above is not the machine tool described in this solution, but its overall layout is similar to the machine tool described in this solution and is for reference only!

Base:

The base is the carrier of the machine tool, on which columns and protection are installed. The structural dimensions vary depending on the overall layout of the machine tool. The diagram below is for reference only.

Base reference drawing (single spindle honing machine tool)

Workpiece table:

The work and the spindle box share a linear guide rail for reciprocating movement, and the worktable moves up and down to adapt to clamping workpieces of different lengths. The workbench moving system consists of servo motors, ball screw pairs, etc., to achieve up and down movement and servo clamping. The workbench is equipped with telescopic protection, which effectively protects the linear guide rail and ball screw pair and increases their service life.

The workbench is used to install fixed workpieces. The center of the workbench has a positioning hole that is coaxial with the height of the spindle box and is used to install tooling fixtures. This machine tool is equipped with a three-jaw self-centering chuck as standard. Special tooling fixtures are made by users themselves. The workbench has a T-slot for fixing workpieces or tooling fixtures.

Spindle box and servo tool raising system:

The spindle box is used to drive tool rotation and provides strong torque. The spindle box transmission system consists of servo motors, reducers, etc.

The servo tool raising system is used to control the raising and retraction of honing tools. The servo tool raising system consists of a servo motor, a precision planetary reducer, a ball screw, etc. The expansion and contraction of the honing head is controlled by a servo motor, which can realize both constant pressure feed and quantitative feed of the honing head.

Column:

The column is fixed on the base, and a linear guide rail is installed for the reciprocating movement of the spindle box. The spindle box reciprocating motion system consists of a servo motor, a reducer, a ball screw pair, etc. The ball screw pair has the advantages of stable transmission, high transmission efficiency, high precision and the like. The column is equipped with accordion-type telescopic protection, which effectively protects the linear guide rail and ball screw pair and increases its service life.

Guide frame:

The guide frame is fixed on the column and can be used for positioning and clamping the upper end of the longer workpiece and guiding the honing tool.

Cooling System:

The cooling system uses an oil injection system outside the tool, and its main function is to use a circulating liquid medium to lubricate and cool the cutting area, while removing chips.

The cooling system adopts an above-ground oil tank structure, which consists of a cooling pump, a magnetic roller filter, a paper bag filter, etc.

Machine tool protection:

The machine tool adopts a semi-protective structure, which has a beautiful appearance and can effectively prevent cutting fluid from splashing and protect the environment.

CNC System:

The independent electrical cabinet has excellent dustproof effect. The cabinet is equipped with a cooling system, which enables the electrical components to operate in a suitable temperature environment, thereby increasing the service life of the components and ensuring the stability and reliability of the control system.

Machine tool working conditions:

Power supply: three-phase five-wire power supply, 380V ± 5%, 50Hz ± 1Hz.

Working environment temperature: 0℃~40℃. (No freezing)

Ambient humidity below 80% (no condensation)

Altitude: 0~2000m

Installation site requirements:

Avoid being affected by external vibrations; Avoid exposure to corrosive gases or liquids; Direct sunlight should be avoided on the surface of the machine tool; It should be kept away from direct strong cold or hot air sources; Dust (metal dust, sand, etc.) pollution should be minimized.

Machine tool installation and commissioning conditions (user preparation):

Foundation requirements: Users create foundations based on foundation maps.

Secondary irrigation: Users prepare for secondary irrigation of grouting materials and tools.

Input power supply: Three-phase five-wire power supply, 380V ± 5%, 50Hz ± 1Hz. The user provides a cable from the workshop power supply to the electrical cabinet.

Cleaning oil and utensils: 20 liters of gasoline or kerosene, several cotton cloths provided.

Cutting oil: Special cutting oil for honing, kinematic viscosity 40℃: 2-10 mm²/s, extreme pressure agent content≥15%, flash point ℃≥110, usage approximately 800 liters.

User prepares lifting equipment and tools for lifting.

Tools, auxiliary tools, and fixtures for machine tool test runs (if the user has not placed an order).

Lubrication station: ISO-L-HM32, 3 liters.

Machine Parameters : 

Any further doubts , Pls feel free to contact me for Details !

Bonnie Lau info@dzguanlu.com /+8615153489983

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