India One-Drive-Two Articulated Robot Solution

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India One-Drive-Two Articulated Robot Solution

Product diagram

Process the workpiece

Processing equipment fixture

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OP10 Clamp

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OP20 Clamp

Op10 Technology

Operation OP10 Tool (T) Spindle Speed (r/min) Feed Rate (mm/rev) Machining Time (S) Rapid Movement & Tool Change (S)
Face Turning & Chamfering T1 External Turning Tool 2000 0.08 ≈13.0s ≈2.s
Boring & Chamfering T4 Boring Tool 2000 0.12 ≈8.0s ≈2.s
Total Time for OP10 ≈25.0s

Note: Since no actual trial machining has been performed, the system-simulated time may fluctuate by ±15% compared with the actual machining time.

Operation OP20 Tool (T) Spindle Speed (r/min) Feed Rate (mm/rev) Machining Time (S) Rapid Movement & Tool Change (S)
Rough OD Turning & Chamfering T1 Rough OD Turning Tool 1800 0.12 ≈8.0s ≈2.s
Finish OD Turning & Chamfering T2 Finish OD Turning Tool 2000 0.08 ≈8.0s ≈2.s
Boring & Chamfering T3 Boring Tool 2000 0.12 ≈3.0s ≈2.s
Total Time for OP20 ≈25s

Note: Since no actual trial machining has been performed, the system-simulated time may fluctuate by ±15% compared with the actual machining time.

Workpiece Process Cycle Time

ProductOperation (No.)Machine/TypeMachine QtySingle Machine Machining Time (s)Auto Loading/Unloading Time (s)Auto Door Cycle Time (s)Unit Takt Time (s)
SpecifiedOP10X3630E12512 (incl. 3s air blow)441
SpecifiedOP20X3630E12512 (incl. 3s air blow)441

Note: All figures above are theoretical calculated data; actual machining may have a tolerance of ±15%.

Production Capacity Calculation

Capacity Calculation Details

Machining Takt of Current Process

Operation OP10 and OP20 share identical machining cycle time of 25 seconds, so the machining takt is 25s per workpiece.

Auxiliary Time

Automatic loading & unloading takt: 12s per machine (including 3s air blow cleaning).

Full Line Takt Time

Machining time (25s) + Automatic loading/unloading time (12s) + Auto door opening & closing time (4s) = Total line takt of 41s per workpiece.

Equipment Availability Rate: 85%

Working schedule: 12 months per year, 22 working days per month, 2 shifts per day, 8 working hours per shift.

Output per Shift

8 × 60 × 60 × 0.85 ÷ 41 ≈ 597 pcs

Daily Output

597 × 2 = 1194 pcs

Monthly Output

1194 × 22 = 26268 pcs

Annual Output

12 × 26268 ≈ 315,000 pcs

The above capacity is a theoretical value calculated based on the current machining process, which may differ from actual production output.

The throughput of this automatic line can be improved by tool replacement and cutting parameter optimization.

Machine Infomation

Gong Tie X3630E Machine

Machine Parameter

Parameter Description Unit X3630E
Machining Range Max. Swing Diameter mm 420
Max. Turning Diameter mm 100
Max. Turning Length mm 120
Movement Range Max. X-Axis Travel mm 700
Max. Z-Axis Travel mm 300
Max. Y-Axis Travel mm –
Main Spindle Spindle Nose / Spindle Cone N/A A2-5
Collect Size mm 640 Collect
Spindle Bore mm 48
Spindle Cylinder Bore mm 35
Spindle Speed Range rpm 3500
Max. Spindle Torque N.m 36
Spindle Power Kw 5.5
X/Z Axis Motor Power / Torque Kw/N.m AM8/1.7KW
Live Tool Power / Torque Kw/N.m –
Accuracy Min. Setting Unit mm 0.001
X/Z-Axis Rapid Traverse m/min 20/20
X/Z-Axis Positioning Repeatability mm 0.003
Tailstock Max. Tailstock Quill Travel mm –
Max. Tailstock Travel mm –
Tailstock Tapper mm –
Tool Changing Gang Tool Holders No. 5
Tool Shank Size mm 16
Boring Tool Holder mm Φ20
Machine Construction Machine Full Load Power Kw ≈16kw
Overall Dimension LWH mm ≈18014501610
Machine Total Weight Kg ≈2200

Standard Accessories

No. Name Brand/Model Origin Qty
1 CNC System New Generation 7TA Bus System Taiwan, China 1
2 Servo Motor/Driver New Generation AM5 Bus Motor Taiwan, China 1
3 Spindle Motor New Generation 5.5KW Servo Spindle Motor Taiwan, China 1
4 Ball Screw PMI (Yintai) Taiwan, China 2
5 Linear Guideway PMI (Yintai) Taiwan, China 4
6 Spindle Bearing NSK (P4) Japan 5
7 Spindle Structure 3 Front & 2 Rear Independent Spindle Unit GONGTIE R&D 1
8 Ball Screw Support Method Pre-stretched Dual Support GONGTIE R&D 1
9 Hollow Hydraulic Rotary Cylinder TK536 China 1
10 Hydraulic System Yousheng or Xingyuan China 1
11 Air-cooled Heat Exchanger & Cabinet No.5 China 1
12 Low-voltage Electrical Apparatus Delixi China 1
13 Fixture 3-jaw Chuck Domestic (China) 1
14 Water Pump Ruijia (2M Head) China 1
15 Tool Holder GONGTIE R&D 5
16 Machine Foot GONGTIE R&D 4

Optional Accessories

No.NameNo.Name
1Chip Conveyor (Rear-mounted)9Asynchronous Electric Spindle
2Oil Contaminant Collector (Water/Oil)10Automatic Door
3Servo Turret (63-8/50-8T)11Bar Feeder Interface
4Part Catcher12High-pressure Pump
5Turning & Milling Power Head (6T)13Spindle Rear Flushing (with M-code)
6Face/Side Milling Power Head14Special Fixture
7Chuck (6-inch)15Bar Feeder
8CNC System: KND/GSK/FANUC16Enlarged Spindle (46 Mechanical + 7.5KW Spindle Motor)

Note: The above optional accessories are not part of the agreement. Whether to select them will be specified in the sales contract.

Articulated Robot Layout

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Note: This automation unit consists of 1 set of XINDAI LA1442-12 articulated robot unit, 1 set of double-layer material stock bin, 1 set of gripper unit, 1 set of inspection station, 1 set of air blow cleaning bin, 1 set of turning station and 1 robot base mount. It cooperates with two Gongtie X3630E CNC lathes to realize fully automatic machining of workpieces.

Joint robot layout dimensions

Robot Motion Description

Collaborative Robot Motion Procedure

  1. Operators place raw workpieces on the double-layer stock bin.
  2. Press the start button to activate the automatic production line.
  3. The stock tray conveys workpieces to the robot picking station.
  4. The articulated robot picks raw workpieces from the stock bin.
  5. The articulated robot moves to Machine No.1 to unload finished parts and load new blanks.
  6. The articulated robot transfers the workpiece to the turning station to flip its orientation.
  7. The articulated robot moves to Machine No.2 for blank loading and finished part unloading.
  8. Based on the fixed batch machining parameter set in the automation system, after several machining cycles, the robot transfers finished workpieces to the air blow cleaning bin for chip removal. Afterwards, it moves to the inspection station to measure surface dimensions of each workpiece: qualified workpieces are placed back onto the double-layer tray, while defective pieces are dropped into the NG collection bin.
  9. The above cycle repeats continuously until all workpieces in the stock bin finish machining, then the system alerts operators to unload completed parts.
No.Item NameUnitQtyRemarks
1LA1442-12 Articulated RobotSet1SYNTEC articulated robot with 12Kg payload
22-Station Gripper SystemSet1For machine tool loading/unloading and workpiece orientation flipping
3Double-Layer Stock BinSet1For storing raw blanks and finished workpieces
4Inspection StationSet1For workpiece dimension measurement
5Turning StationSet1For workpiece reorientation / flipping
6Air Blow Cleaning BinSet1For surface chip cleaning of workpieces
7Robot Base MountSet1Fixed support base for robot installation
8Safety Guard SystemSet1Enclosure for robot working area, equipped with safety door interlock, etc.
9Pneumatic UnitSet1Air source processor, pneumatic components and accessories
10Electrical Integration PackageSet1Solenoid valve manifold, gripper motion control circuit, etc.
11Attached Operation ManualsSet1Electrical & mechanical maintenance service manuals

Description of key functional components

  1. SYNTEC LA1442-12 Articulated Robot

Description of key functional components

ModelLA1442-12
Controlled Axes6
Max. Payload Capacity (kg)12
Reach (mm)1442
Repeat Positioning Accuracy (mm)±0.03
Joint RangeJ1 Axis (°)±170
J2 Axis (°)+145/-105
J3 Axis (°)+70/-210
J4 Axis (°)±270
J5 Axis (°)±135
J6 Axis (°)±360
Max. SpeedJ1 Axis (°/s)245
J2 Axis (°/s)245
J3 Axis (°/s)290
J4 Axis (°/s)435
J5 Axis (°/s)450
J6 Axis (°/s)705
Motor PowerJ1 Axis (kW)1.5
J2 Axis (kW)1.5
J3 Axis (kW)0.75
J4 Axis (kW)0.2
J5 Axis (kW)0.2
J6 Axis (kW)0.2
Weight (kg)≈115
Mounting TypeFloor, Ceiling, Inclined
Protection ClassIP67
Operating ConditionsAmbient Temperature:0 ~ 45°C
Ambient Humidity: 20~80%RH (no condensation), max 90%RH for ≤1 month
Vibration Acceleration:≤4.9m/s² (0.5G)

2. Articulated Robot Base Mount

Articulated robot base

Description: The base mount of the articulated robot is mainly  used for robot fixing. Besides, its height design enables the robot’s maximum reach to fully cover the loading and unloading space of the machine tools.

3. Articulated Gripper Unit

Loading gripper
Air-blast block
Unloading gripper

Gripper schematic

According to the machine tool loading requirements, a 2-station gripper is adopted. The gripper is equipped with two sets of standard 3-jaw pneumatic fingers to clamp workpieces, meeting the demands of workpiece picking and internal workpiece exchange inside the machine tool.

The gripper is fitted with sensors for workpiece presence detection and jaw open/closed state detection. It features a function to prevent workpieces from falling in case of air cut-off or power failure.

Subject to detailed design drawings.

4. Double-LayerPneumaticInterchangeableMovingPallet

Upper tray
Lower tray

Gripper schematic

Description: In accordance with workpiece characteristic requirements, double-layer stacking pallets are adopted. The pallets are driven by air cylinders for horizontal in-and-out movement. Each pallet can hold 50 workpieces, with 4 pallets in total, delivering a total storage capacity of 200 parts. Note: The tooling pallets can be directly replaced when switching production batches.

5.  Inspection Station

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Description

Inspection of the workpiece is realized by the movement of servo electric cylinder to complete measurement at different positions:

  • Item 1, 2, 3, 4, 5 and 7: Dimension inspection via contact sensors;
  • Item 6: Inner bore dimensional precision inspection by air tightness test.

If the dimensional inspection result is qualified, the workpiece will be placed back to the material pallet. If the workpiece dimension fails the inspection, the manipulator will transfer the workpiece into the NG collection bin.

6. Air Blow Cleaning Bin

Description

The air blow cleaning bin is mainly used to remove metal chips on workpiece surfaces, so as to guarantee the measurement accuracy during workpiece inspection on the inspection station.

Note

The detailed structure shall be subject to the final design.

7. Turning Station

Gripper
Mounting bracket

According to the workpiece machining process requirements, the design of the turning station for this project is shown in the figure on the right. It is mainly composed of a fixed base and clamping gripper.

By adjusting the robot posture, the workpiece is rotated 180 degrees to meet the posture requirement for machining in the next process.

8. Safety Guard System

To ensure personnel safety, safety guarding is installed around the robot, which is equipped with safety doors fitted with door interlock switches.

The door interlock switches are interlocked with the robot control system. When the safety door is opened, the robot will stop automatically to protect operators.

The actual guard height shall comply with customer requirements.

After-Sales Service

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