Company Presentation:
Ningbo GongTie Precision Machinery Co., LTD. is a national high-tech enterprise, which integrates precise CNC lathes and industrial robots as a whole, specializes in precise CNC lathes, automatic integral-single CNC lathes, automatic production line. Bases on medium-small precise CNC lathes, sets up the machine automation as enterprise’ strategical core, targets to satisfy the market and the customer as the technique innovation’s motivation, scientifically and reasonably combines the precise CNC lathes with the machine unmanned together, sustainably improves the machine’s stability and practicability, becomes the domestic leading professional manufacturer and service supplier for precise CNC lathes and machines’ automation.
Established in 2006, with more than 100 employees, already got various of invention patents. GongTie is able to offer a complete engineering package from concept , design to manufacturing
The company’s diversity machine series is widely used in automotive parts, valve, bearing, electric application , instrument, sanitary and more other industries, can realize various processing technology like drilling, turning, milling, boring, tapping, grooving and so on. We have set up sales office at several place and perfect sales representative network. And we completely follow the ISO9000:2000 quality management system and security management system on the development and manufacturing, to guarantee the quality and safety during the customer’s application. In addition, we have built up a perfect after-sales service system, can in-time make feasible reaction for the customer’s any inquiries or problems。
The CNC machine from GongTie has below advantages:
-- broaden application range
-- high precise, reliable features, fine finish and stable processing.
-- save labor costs
-- competitive price with high quality assurance
The company mission:
●Continuous innovation
●Quality priority
●Customer focused
●Solution driven
With our accurate, reliable products and perfect service system, we have won the trust of many users, and gradually built up a good brand impression in the CNC lathes automation industry.
SOLUTION:
1. Products processing solution
1) customer: *******; 2) product: FAN AIR FLORA PART; 3) material: 45#;
4) the product profile
5) machining accuracy: completely follow up the customer’s drawing;
6) Work tool and fixture: precision spring collet .
7) The technique remarks: the program will set up the tools life-time management (customer pre-set up the q’ty of the machining products, when reach it, automatically warning, for reducing the products scraps and the tools damage.)
8) GONGTIE company will do the best to provide the technique guidance for CNC lathes and related suggestion of the products processing technology.
the first CNC lathe process--- products fixture method and process proposal (op10) | |||||||||
External clamping fixture
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The red zone is machining area | |||||||||
process | tools | Process speed(r/min) | Traverse (mm/r) | Cycle time(S) | Altering time(s) | ||||
top face, chamfer angle | T1 OD tool | 2500 | 0.08- 0.1 | ≈2.5 | 0.5 | ||||
Groove cutting | T2 groove tool | 2000 | 0.04 | ≈4.0 | 0.5 | ||||
Auto-loading/unloading system: gantry loader in shaft | ≈ 6.5 s | ||||||||
Processing time 2.5+4.5+0.5+0.5=7.5 s | |||||||||
Total cycle time 7.5+6.5=14 s | |||||||||
The cycle time is simulated under the model ,there might be 10% tolerance comparing with the facts. | |||||||||
the second CNC lathe process--- products fixture method and process proposal (op20) | |||||||||
fixture from outside
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The red zone is machining area | |||||||||
process | tools | Process speed(r/min) | Traverse (mm/r) | Cycle time(S) | Altering time(s) | ||||
side face, chamfer angle and OD | T1 OD tool | 2500 | 0.12 | ≈13 s | 0.5 | ||||
Auto-loading/unloading system: gantry loader in shaft | 6.5 s | ||||||||
Processing time 13+0.5 = 13.5 s | 13.5 s | ||||||||
Total cycle time13.5+6.5 = 20 s | 20 s | ||||||||
The cycle time is simulated under the model ,there might be 10% tolerance comparing with the facts. |
9) Proposal CNC lathe:Q7-4B
9.1) CNC lathe: Precise linear guide-way CNC lathe flat bed : Q7
9.2) Auto-loading/unloading system: gantry loader in shaft
10) CNC lathe sketch:
10.1) Precise linear guide-way CNC lathe with flat bed and dovetail row of knives: Q7-4B
10.2> feeding sketch :
Sketch for the robot:
Stocking box sketching:
Change- over head device:
1. The overall size:
2. Parameters, configuration and price:
1) parameters:
Main parameters | Unit | Q7 | |||||
Processing capability | Max. swing diameter | mm | Φ285 | ||||
Swing over cross slide | mm | φ96 | |||||
Max. turning length | mm | 300 | |||||
Max. bar through-hole | mm | 26(35) | |||||
Spindle | Work piece clamping method | N/A | 6“Hydraulic chuck | ||||
Spindle speed range | rpm | 0~5000 | |||||
Spindle nose size | N/A | A2-5 | |||||
Spindle ID | mm | 48 | |||||
Rapid Traverse | X-axis rapid traverse | m/min | 20 | ||||
Z-axis rapid traverse | m/min | 20 | |||||
Axis Stroke | X-axis travel | mm | 320 | ||||
Z-axis travel | mm | 300 | |||||
Accuracy | X\Z axis repeating postioning accuracy | mm | 0.002 | ||||
Motor | Spindle drive motor | kW | 3..7/5.5 | ||||
Others | Tool-holder type | N/A | dovetail row of knives | ||||
Tool size | mm | 16 | |||||
Number of tools | pcs | 5 | |||||
Cooling motor | kW | 0.12 | |||||
Required electric power | kVA | 8 | |||||
Overall size(L*W*H) | mm | 2450*1300*2450 | |||||
Height from floor to spindle center | mm | ≈1070 | |||||
Net weight | kg | ≈2000 | |||||
Standard: Tool box, instruction book, operational manual, cooling system , lighting system, lubrication system, chips cleaner, hydraulic collet(chuck), foot switch | |||||||
Optional: Program control blowing function, precision C axis dividing, spindle head , automatic door, loading and unloading system, industrial robotic, automatic bar feeder, receiving device for bar materials, automatic detection system, automatic cutter radius compensation system, high-pressure cooling system |
2) Configuration and price
CNC lathe | ||||||
NO. | ITEM | COMPONENT BRAND & SPEC. | ORIGINAL COUNTERY | QTY. | ||
1 | Controller | SYNTEC 6TA | TAIWAN | 1 | ||
2 | Servo motor/drive | YASKAWA incremental type | JAPAN | 2 | ||
3 | Spindle motor | CTB 3.7 KW | CHINA | 1 | ||
4 | Ball screw & linear guide-way | PMI | TAIWAN | 2,4 | ||
5 | Spindle bearings | NTN P4 | JAPAN | 5 | ||
6 | Spindle structure | Independent spindle with front three bearings and two after | BY GONGTIE | 1 | ||
7 | Ball screw supporting method | Double supporting with pre-stretching structure | BY GONGTIE | 1 | ||
8 | Hollow hydraulic rotary cylinder | JIAHE | TAIWAN COMPONENTS | 1 | ||
9 | Hydraulic system | HUIZONG | TAIWAN COMPONENTS | 1 | ||
10 | Electric cabinet with heat exchanger | NO. 5 | TAIWAN COMPONENTS | 1 | ||
11 | Low voltage component | SCHNEIDER | FRENCH | 1 | ||
12 | Clamping tool | Precision spring collet | SHANGHAI ,CHINA | 1 | ||
13 | Tool-holder type | dove tail blade row (16) | BY GONGTIE | 1 | ||
14 | Water pump | Standard type | TAIWAN | 1 | ||
OPTIONAL ITEM | ||||||
1 | Chip conveyor | Post type | CHINA | 1 | ||
Auto-loading/unloading system | ||||||
No. | Kit | Brand & original country | QTY. | |||
1 | Beam kit | GONGTIE | 1 set | |||
2 | Beam linear guide-way | Taiwan PMI | 1set | |||
3 | Parallel hand | JAPAN SMC | 1set | |||
4 | Rotary cylinder | JAPAN SMC | 1set | |||
5 | Air cylinder | JAPAN SMC | 1set | |||
6 | Sensor/Magnetic switch | JAPAN SMC | 1set | |||
7 | Gear wheel/rack( slant gear ) | Taiwan | 1set | |||
8 | Work-stocker system (in shaft) | CHINA | 1set | |||
9 | Loading/unloading device(mechanical claws) | GONGTIE | 1set | |||
electrical system for gantry loader | ||||||
1 | Servo motor | Inovance-china | 1set | |||
2 | Servo system | Inovance-china(bus type CNC system) | 1set | |||
3 | Controller system | Inovance-china | 1set | |||
4 | Gear Reducer | Taiwan | 1set | |||
5 | interface | Inovance-china | 1set |
3. After-sales service
1) after assembly, immediately carry out test and try-run on the CNC lathe and gantry loader.
2) according to the problem feedback from customer by telephone or FAX, make the reaction within 12H.
3) In maintenance guarantee period (one year), if the damage is not caused by operators, we offer free maintenance service, beyond the period, we offer relevant services with paid components.
4. Attachments
Attached items | QTY |
Working instruction | 1 SET |
Machine guarantee card | 1 SET |
Electrics instruction | 1 SET |
Machine inspection report | 1 SET |
CNC system instruction | 1 SET |
Basic tools | 1 SET |
5. Lead time: 65 working days after signing contract
6. Total price:
Precise linear guide-way CNC lathe with flat bed , dovetail row of knives , gantry loader, change-over head device ,SYNTEC controller
: Q7-4B ******* RMB
Package +truck fee *****RMB
Price: ******** RMB /SET
7. Period of validity:1 months
8. Price base: FOB NINGBO
9. Payment term: 30% pre-pay, 70% before delivery
10. Price with the good packaging.
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