1. The function of machine tools
The machine tool is a gantry mobile CNC high-speed drilling machine, which is mainly used for drilling through holes, blind holes, step holes, chamfering, tapping, milling and other efficient parts of tube sheets, flanges, rings and other parts Processing. Carbide drill bits can be used for internal cooling and high-speed drilling, which is widely used in steel structure, bridge, pressure vessel, chemical environmental protection, engineering machinery, ships and other industries. The processing process is numerically controlled, easy to operate, and can realize automated, high-precision, multi-variety, mass production.
CNC drilling machine produced by our company has the following characteristics:
a. CNC slide drilling power head, can control the hole depth, with drilling blind hole, reaming, chamfering functions.
b. CNC plane drilling machine in X, Y direction automatically find points for drilling.
c. CNC plane drilling machine four processing positions, 12 hydraulic clamping pliers, can be clamping four groups of parts, drilling at the same time can unload parts.
d. CNC plane drilling machine CNC, PLC control, CRT display.
e. Nc plane drilling machine programming software based on WINDOWS platform, with CAD interface, programming is fast and convenient, preview image intuitive.
f. CNC plane drilling machine automatic chip removal, coolant circulation.
Feature 1: The square ram structure of the spindle box adopts resin sand molding technology (HT250) to achieve high-power heavy-duty cutting and high-speed drilling Function, high stability.
Feature 2, the machine has real-time torque detection function, can set the tool torque and protect, when the tool wear cutting torque is greater than the set torque value for tool lifting stop protection, to ensure that the tool will not be damaged Greatly reduce the cost of using tools;
Feature 3: Self-developed programming software realizes the automatic conversion of CAD/CAM graphics into processing program functions, eliminating the cumbersome steps of manual programming;
Feature 4: secondary development, increase the workpiece automatic alignment function, avoid the traditional way of aligning one side of the workpiece with the equipment guide rail, greatly reduce labor intensity and improve production efficiency. The automatic alignment function only needs to find the start and end point of one side of the workpiece, and after confirmation, the coordinate system of the system can be automatically rotated to adapt to the workpiece, which is convenient and fast to operate;
The drilling efficiency of this high-speed drilling machine can reach 5~10 times of the processing efficiency of ordinary CNC drilling machine
2. The main technical parameters
| NO |
Name |
Technical parameters |
Parameters value |
| 1 |
Maximum processing
Workpiece size |
Length × width |
2000×1600mm |
| 2 |
Maximum plate thickness for processing |
200mm |
| 3 |
workbench |
T-slot size |
22mm |
| 4 |
Bearing |
2T/m2 |
| 5 |
Drilling power heads |
Maximum machining hole diameter |
Φ50mm |
| 6 |
Maximum tapping |
M30 |
| 7 |
Drilling depth/hole diameter |
≤5 |
| 8 |
Spindle speed |
30-3000r/min |
| 9 |
Spindle taper |
BT50 |
| 10 |
Spindle motor power |
22KW |
| 11 |
Spindle torque |
280 Nm (35 0 Nm maximum). |
| 12 |
The distance from the lower end face of the spindle to the lower table |
280-780mm |
| 13 |
Longitudinal movement of the gantry (X-axis) |
Maximum stroke |
3000mm |
| 14 |
X-axis movement speed |
0-8m/min |
| 15 |
X-axis servo motor power |
2×2.9KW |
| 16 |
Lateral movement of the power head (Y-axis) |
Maximum stroke |
3000mm |
| 17 |
Y-axis movement speed |
0-8m/min |
| 18 |
Y-axis servo motor power |
2.9KW |
| 19 |
Power head feed movement (Z-axis) |
Z-axis travel |
500mm |
| 20 |
Z-axis feed speed |
0-5m/min |
| 21 |
Z-axis servo motor power |
2.9KW |
| 22 |
Positioning accuracy |
X-axis, Y-axis |
±Ø.05mm/m |
| 23 |
Repeatable positioning accuracy |
X-axis, Y-axis |
±0.02mm |
| 24 |
Chip removal and cooling |
Chip conveyor type |
Flat chain |
| 25 |
Number of chip conveyors |
1 pc |
| 26 |
Chip evacuation speed |
1 m/min |
| 27 |
Chip conveyor motor power |
0.37KW |
| 28 |
Cooling method |
Cold inside ten cold outside |
| 29 |
High voltage cooling motor power |
3KW |
| 30 |
Electrical system |
CNC system |
FAGOR 8055i |
| 31 |
Number of CNC axes |
4 |
| 32 |
Total motor power |
40KW |
Note: Technical parameters can be changed according to customer requirements.
3. Main configuration
| NO |
Name |
Brand |
Origin |
Remark |
| 1 |
Rolling linear guides |
HIWIN/Southern Craft |
Taiwan/Nanjing |
|
| 2 |
Ball screws |
HIWIN/Southern Craft |
Taiwan/Nanjing |
|
| 3 |
CNC system |
FAGOR |
Spain |
|
| 4 |
Servo feed motors and drives |
Yaskawa |
Japan |
|
| 5 |
Precision spindle |
Tsubaki |
Taiwan |
|
| 6 |
Automatic lubrication system |
Bechil |
United States |
|
| 7 |
Main electrical components such as buttons and indicators |
|
import |
|
| 8 |
Sharpener |
|
National Excellence |
|
| 9 |
Paper tape filter |
|
Shandong/Hebei |
|
Note: If the supplier of the purchased parts fails to deliver in time within the delivery period, the purchased parts can be replaced by the same brand!
4. The structure of the machine tool
The equipment mainly consists of bed workbench and longitudinal skateboard, gantry and transverse slide, vertical drilling power head, automatic chip conveyor, pneumatic system, circulating cooling system, balanced hydraulic system, centralized lubrication system and protective device, electrical system, numerical control system, etc.
1. The bed adopts steel plate welding structure, which is treated by overall annealing and stress relief, and the accuracy is stable. This equipment adopts the form of bed fixed and gantry moving, the bed is welded steel structure, and it is treated by heating annealing aging. The table is equipped with a support seat with a T-shaped groove on it to facilitate the clamping of the workpiece. On the left and right sides of the bed, the imported linear rolling guide pair and precision ball screw pair with high bearing capacity are arranged, and the drive is driven by servo motor. The double-sided synchronous drive ensures the parallel movement of the gantry and the perpendicularity of the Y axis to the X axis at any position. Multiple adjustable bolts are distributed on the underside of the bed, which can easily adjust the level of the bed table.
Heavy-duty linear guide Precision ball screw
2. The gantry is a welded steel structure, which is treated with heat treatment stress relief annealing treatment, and the precision is stable. Two linear rolling guide pairs with ultra-high bearing capacity are installed on the front side of the gantry. And a set of precision ball screw pair and servo motor are installed above to make the power head slide plate move in the Y-axis direction. The screw is pre-stretched during installation, eliminating clearances and achieving high transmission accuracy.
3. The Z axis direction of the mobile slide table adopts the linear roller guide rail sub-guide, and the servo motor drills the power head through the circular arc tooth synchronous belt and the ball screw pair drive to realize the power head fast forward, work forward, fast rewind, stop and other actions. It has the functions of automatic chip breaking, chip removal and suspension.
4. Drilling power head adopts The special servo motor for the spindle drives the special precision spindle through the toothed synchronous belt to achieve stepless speed change, and the feed is driven by the servo motor and the ball screw. The X and Y axes can be linked, and semi-closed-loop control is adopted, which can realize the function of linear and circular interpolation. After setting the position, the drill bit fast-forwards to contact the workpiece, and then automatically switches to work. When the drill bit penetrates the workpiece (set according to the workpiece processing requirements), it can automatically switch to fast rewind to realize the automatic feed cycle.The working feed speed is set by numerical control. The drilling power head spindle is BT50 taper hole.
There is a butterfly spring automatic broaching mechanism, and the spindle box is equipped with a loose knife cylinder (gas-liquid pressurization) for easy tool change. The drilling power head is mounted on a CNC slide table and moves up and down with the slide table. It can withstand heavy cutting load and can be suitable for high-speed machining of cemented carbide tools. The spindle timing belt adopts the spindle manufacturer's timing belt. Its high tensile strength, long life, low noise and vibration at high speed. Precision spindle shaft end radial runout ≤ 0.008mm. The upper end of the precision spindle is equipped with a punching cylinder and a high-pressure swivel joint. The high-pressure swivel joint can be connected to the cooling lubricant and sprayed directly to the cutting position through the inner hole of the spindle, the inner hole of the nail, the inner hole of the BT50 tool holder, and the center hole of the drill bit.
The machine tool is equipped with flat chain automatic chip conveyor and chip collecting car, circulating cooling device with paper filter, respectively high-pressure internal cooling pump and low-pressure external cooling pump, for the tool internal and external cooling use.
Paper tape filter AND Nesting machine
6. This machine tool is equipped with an automatic lubrication device, which can automatically lubricate the motion pairs such as guide rails and lead screws. Regularly pump the lubricating oil into the lubrication points such as the linear guide rail sub-slider, ball screw sub-wire mother and each rolling bearing of each component to lubricate it most fully and reliably, eliminating cumbersome manual operation and improving the service life of various parts. The lubrication pump station and components adopt well-known high-quality products in China.
The X and Y axes of the machine are equipped with dust shields, and waterproof splash baffles are installed around the table.
7. The machine is equipped with a balancing hydraulic system to maintain the dynamic balance of the spindle slide.
8. The electrical system conforms to ISO or national standards, CNC system control, independent electrical cabinet, reliable sealing of electric cabinet, industrial cooling air conditioning dust and dehumidification, maintain constant temperature of electric cabinet, and ensure the safe operation of machine tools; The machine tool is equipped with lighting facilities, which is convenient for the operator to observe and operate at night; The machine tool is equipped with an electronic pulse handwheel, which is convenient for all-round operation; The logic control of the machine tool adopts the built-in PLC control of the system, which can detect and alarm faults, and the alarm interface is fully Chinese.
9. The CNC console is installed on the gantry, can move longitudinally with the gantry, easy to operate, the machine is equipped with FAGOR8055i CNC system, the CNC system has the function of CAD/CAM graphics automatically converted into processing programs. It has automatic adjustment of feed and speed according to different apertures. Centralized operation control box and handheld unit, equipped with RS232 interface and LCD display. In order to facilitate programming, storage, display and communication, the operation interface has functions such as man-machine dialogue, error compensation, automatic alarm, fault self-diagnosis and processing program rehearsal.
10. The machine has a chip breaking function, which can set the chip breaking time and chip breaking cycle on the man-machine interface. After setting the position, when the drill bit fast forward contact the workpiece, it will automatically switch to the working feed, and when the drill bit drills through the workpiece, it can automatically switch to fast rewind to realize the automatic feed cycle, and the working feed speed is set by numerical control. The machine tool has electronic handwheel operation function, and also has automatic chip breaking, chip removal, suspension, drill break protection functions, etc.
5. Normal conditions for the use of machine tools
1. Power supply: 380V±10%, 50HZ±1%.
2. Working environment temperature: -5°C~45°C.
3. Working environment humidity: ≤95%. No condensation
4. Air supply pressure: ≥0.5Mpa
6. Machine tool design, manufacturing and installation standards
1. GB15760-2004 "General Technical Document for Safety Protection of Metal Cutting Machine Tools"
2. GB/T5226.1-2019 "Mechanical and Electrical Safety Mechanical Electrical Equipment Part 1: General Technical Conditions" 3. GB/T17421.5-20 15 "General Principles for Machine Tool Inspection Part 5: Determination of Noise Emission"
4. GB/T25376-2010 "General technical conditions for machining parts of metal cutting machine tools"
5. GB/T23570-2009 "General Technical Conditions for Welding Parts for Metal Cutting Machine Tools" 6. GB/T25373-2010 "General Technical Conditions for Assembly of Metal Cutting Machine Tools"
7. Extra documents
1. 1 copy of product inspection certificate
2. Chinese 1 copy of instruction manual (mechanical, electrical ).
3. 1 copy of the basic diagram
4. CNC system programming manual l copy
5. 1 copy of CNC system installation manual
6. CNC system operation manual l copy
7. 1 copy of CNC system error troubleshooting manual
8. AC servo motor drive instruction manual 1 copy
9. Packing list 1 copy
8. Acceptance, installation and after-sales
1. Acceptance
Acceptance criteria: The acceptance shall be carried out by the buyer and seller in accordance with the contract, the terms of the technical agreement and the current national standards. Acceptance method: Divided into two times. The first time the goods are manufactured, they are accepted by the seller and shipped as qualified. The second time, after the installation of the goods, the buyer and seller jointly carry out trial operation and final acceptance, and the buyer and seller sign the acceptance report, and the acceptance report takes effect after being signed by both parties. If the final acceptance of the equipment is not signed and confirmed by both parties, Party A shall not start and use it, otherwise it will be deemed to be qualified for final acceptance.
2. Training technology, service and warranty
From the date of acceptance and delivery of CNC high-speed drilling machine, 12 months is the warranty period or 18 months is the warranty period, both of which are subject to the first arrival date. The buyer operates and uses the instruction manual and training methods provided by the seller, and during the warranty period, if it is a quality problem caused by manufacturing, installation and other reasons, the seller repairs the equipment free of charge in the shortest time and restores the normal use of the equipment. If the failure of the equipment is caused solely by improper use by the buyer, the seller is obliged to repair the equipment in the shortest possible time and may charge the buyer the cost at its discretion.
The seller conducts training for the buyer's operation and maintenance personnel to ensure that the CNC high-speed drilling machine can operate normally and be properly repaired. During the training, experienced technicians will be assigned to give technical guidance, responsible for explaining the technical problems related to CNC high-speed drilling machines, so that the trainees can understand the operation principle of CNC high-speed drilling machines and master CNC high-speed drilling The technical performance of the bed and the methods and techniques of operation, repair, maintenance, testing and commissioning.
9. Packaging and transportation
1. The equipment components supplied by the seller, except for special parts, are carried out in accordance with national standards and technical conditions for packaging. Take measures according to the characteristics and requirements of different goods, such as proper painting or other effective anti-corrosion treatment of the equipment, and use strong packaging to prevent rain and snow, moisture, rust, corrosion.
2. Transportation: car transportation, delivery place: the buyer's use site.
3. The seller transports the equipment to the buyer's site, and the buyer is responsible for providing spreader unloading, providing hydraulic lubricating oil and related materials required for equipment installation and commissioning. The seller is responsible for the installation, commissioning and acceptance of the tendered equipment.
CNC drilling machine produced by our company has the following characteristics:
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