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Nihon Shinkan (Thailand) Co., Ltd.
Japanese high-precision drawn aluminum pipe & bar manufacturer in Thailand

Production Line, Technical Information

 

Production Line

① Drawing Line No.1

② Drawing Line No.2

③ Drawing Line No.3

④ Machine after Drawing

⑤ Technical Information

click on each process.

 

① Drawing Line No.1

Factory 1

Capability

Pipe Φ11~40

Products

Hi-Precision Drawing Pipe

Use for

OA OPC Drum, Developing Sleeve

Process

Machine

Detail

Pointing

Pointing (Middle)

Capability: Material Size Φ45

   

Drawing

Drawing No.1

Capability: Φ11~40

Drawing No.2

Capability: Φ11~40

   

Reeling

Reeling No.1

Capability: Φ20~40

Reeling No.2

Capability: Φ11~20

Reeling No.6

Capability: Φ11~20 for Developing Sleeve

   

Cutting

Cutting No.1

Capability: Φ11~40   L50~3000

Cutting No.2

Capability: Φ11~40   L100~1500

   

Washing

Washing No.1

for Short Length:to L500

   

Heating

Heat Treatment No.1

Temperture: Max400℃ Max Length: L3000

   

Complete

to Process after Drawing

after Drawing to Other Table

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② Drawing Line No.2

Factory 1

Capability

Bar Φ12~30

Products

Hi-Precision Drawing Circle Bar, Hexagon Bar

Use for

Material for Hi-Precision Lathe Turning

Process

Machine

Detail

Pointing

Pointing (Bar)

Capability: Material Size Φ40

   

Drawing

Drawing No.3

Capability: Φ12~30

   

Reeling

Reeling No.3

Capability: Φ12~30

Reeling No.5

Reeeling for Hexagon Bar

   

Cutting

Cutting No.3

Capability: Φ11~60   L100~4000

   

Washing

Washing No.4

for Long Length:to L4000

   

Heating

Heat Treatment No.1

Temperture: Max400℃ Max Length: L3000

   

Complete

Inspection & Packing

Package: Carton Box, Steel Rack etc.

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③ Drawing Line No.3

Factory 2

Capability

Pipe Φ40~120, Bar Φ40~80

Products

Hi-Precision Drawing Pipe (Big Size)

Use for

Material for Automotive & Motorcycle

Process

Machine

Detail

Pointing

Pointing (Big)

Capability: Material Size Φ120

   

Drawing

Drawing No.4

Capability: Φ40~120 Biggest in ASEAN

Drawing No.5

Capability: Φ40~100

   

Reeling

 

 

   

Cutting

Cutting No.4

Capability: Φ10~100   L50~3000

   

Washing

Washing No.6

for Short Length:to L500

   

Heating

Heat Treatment No.2

Temperture: Max250℃ Max Length: L4000

   

Complete

Inspection & Packing

Package: Carton Box, Steel Rack etc.

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④ Machine after Drawing

Factory 1

Capability

Pipe Φ10~35

Method

Both Sides Lathing, Centerless Grinding, Assembly

Use for

Developing Sleeve, Roller

Process

Machine

Detail

Inspection

Inspection
5 Machines

Inspection:Auto 2Pcs Manual 1Pcs

Rework:Automatic 2Pcs

Lathing

Both Side Lathing
7 Machines

Tool Spin Type: 2Pcs

Work Spin Type:3Pcs

Work Spin Type:2Pcs   Hi-Precision

Grinding

Centerless Grinding
4 Machines

Micron: MD-600Ⅲ

Outside Spec±3μm Run-Out:8μm/L300

Grooving

Grooving
4 Machines

Grooving to Outside Pipe for OA Developing Sleeve

Grooving Depth Spec ±7.5μm

Assembly

Insert Assembly

Insert Assy Flange of Steel・SUS・AL

Run-Out(Sleeve): 15μm/L300

Run-Out(Roller): 50μm/L300

Complete

Inspection & Packing

Package: Carton Box, Plastic Box etc.

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⑤ Technical Information

 Chamfering to Both Sides

Chamfering Both Sides by Machine Type of "Tool Spin" or "Work Spin".

●Use for:

OA OPC Drum, Inner&Outer of Anti-Vibration Rubber

●Capability:

OD:Φ12~60 L:L200~400


 Inro(Counter Boring) to Both Sides

Inro(Counter Boring) to Both Inside Pipe.
Possible Outro(Outside Lathing) also.
Possible Super Hi-Precision, Depending on the Shape.

●Use for:

OA OPC Drum, Inner&Outer of Anti-Vibration Rubber

●Spec:

Normal±10μm(Concentricity10μm)
Super Hi-Precision±5μm(Concentricity3μm)

●Capability:
(Normal)

OD:Φ12~60 L:L230~400

●Capability:
(Super Hi-Precision)

OD:Φ16~20 L:L320~350


 Centerless Grinding to Outside Pipe

Grinding by Spining Wheel, Improves Roundness and Bending(Run-Out).

●Use for:

OA Developing Sleeve, Various Shaft

●Spec:

±3μm(Actual) Bending 4μm/L300 

●Capability:

OD:Φ10~35 L:L100~350


 Grooving Process to Outside Pipe

Groove Cutting to Longitudinal Direction of Outside Pipe.
Consider Design the Process According to Requested Accuracy and Price.

●Use for:

OA Developing Sleeve

●Spec:

Depth ±7.5μm(Hi-Precision)

●Capability:

Need to Design Mold & Jig.
Please Inquiry to Us.


 Assembly Aluminum Parts

Insert Assembly Flange of Steel,SUS,AL to Inside Pipe, Roller.
Possible Insert Bearing also.

●Use for:

OA Various Roller

●Spec:

Run-Out 0.1mm(Normal)

●Capability:

Need to Design Mold & Jig.
Please Inquiry to Us.


 Punching Process

Punch the Holes in the Pipe as Order.
Not Circles Shape and Multiple Position are also possible.

●Use for:

Grass Cutter

●Capability:

Need to Design Mold & Jig.
Please Inquiry to Us.


 Bending Process

Bend the pipe into the specified shape.
Holes other than circles and multiple locations are also possible.

●Use for:

Grass Cutter

●Capability:

Need to Design Mold & Jig.
Please Inquiry to Us.

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Latest Update 23 Jan 2024
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