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공정을이용한및두께분할성형

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(1)

한국정밀공학회 2006년도 추계학술대회논문집

1.

서론

,

, ,

.1)

, , ,

.

,

,

. ,

, Roll forming, spinning

. (Net Shaping)

.

spinning . Spinning Fig.1

mandrel

.

Fig. 1 Principle of conventional spinning process Spinning deep drawing

, , ,

.2,3)

및 두께 분할 성형

2. Spline

Spline spinning

. spline drum

Fig.

2 .

,

. .

,

. ,

,

mandrel over bending taper

.

Fig. 2 Merged spline drum and dish part

.

.

Conventional spinning 2~4mm/rev.

, 0.4~0.8mm/rev.

, shear

spinning 0.03mm/rev .

fig. 3

.1)

Blank

Mandrel Holder

(1) Blank installment (2) Drum spinning (3) Spline shaping

(4) Splitting (5) Splitted part spinning (6) Sizing Fig. 3 Spline shaping and splitting process design

spline drum

. blank

공정을 이용한 및 두께 분할 성형

Spinning spline drum

김승수1

,

변원용2

,

강상욱2

, *

김응주1

1한국생산기술연구원, 2경창산업

Spline drum spinning including thickness splitting process

S. S. Kim1, W. Y. Byun2, S. W. Kang2, *E. Z. Kim1

1Institute of Industrial Technology,2Kyong Chang Industrial Co.

Key words : Spinning, Spline drum, Shear spinning, Sheet splitting

117

(2)

한국정밀공학회 2006년도 추계학술대회논문집

drum spinning , mandrel

spline .

holder .

mandrel spinning roll fig. 4

. 5.4mm,

240mm blank .

Fig. 4 Mandrel on spindle and rolls on turret used in the spinning experiments

Mandrel spline

. roll 220mm

.1)

drum roll

coner 15mm 30mm

,

15° 30° . roll

0.01mm/rev. 0.05mm/rev.

. fig. 5 .

Fig. 5 Spinning experiment

blank drum spinning, spline ,

fig. 6 . Spline drum

spline . Drum

, roll mandrel

.

Fig. 6 Initial blank and spined product spline drum

.

. ,

.

madrel

1 roll ,

fig. 7 .

(a) Feed rate : 0.024mm/rev

(b) Feed rate : 0.028mm/rev

(c) Feed rate : 0.030mm/rev

Fig. 7 Effect of feed rate on front waviness

spline

, spline

. spline

spline 0.03mm/rev

.

3.

결론

(Net Shaping) spinning .

spinning spline drum

. spinning

.

후기

본 연구는 산업자원부가 지원한 고기능 구동체를 위한 저절삭‘

초정밀 부품 성형기술 개발 과제의 일환으로 수행되었으며’ ,

이에 관계자 여러분께 감사드립니다.

참고문헌

1. 차달준 고기능 구동체를 위한 저절삭 초정밀 부품 성형 기술,

개발 산업기술개발사업 보고서 산업자원부, , , 2006.

2. 日本塑性加工學會 葉山 回轉加工( ), ,コロナ社, 1990.

3. 日本塑性加工學會 葉山( ),スピニング加工技術 日刊工業新, , 1984.

118 聞社

참조

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Key Words : Small-bubble( 미소버블 ), Rotating Flow( 회전유동 ), Spinning Disk Reactor( 회전판 반응기 ), Stewartson Layer( 스티워슨 경

Key words : Warm Forming, Springback, Stress Relaxation, Magnesium Alloy Sheet, 3-Point

Key Words : Vortex particle method(입자와법), Elliptic cylinder(타원형실린더), Vorticity redistribution(와도재분배), Particle Strength

Key Words : Forming Limit Diagram, Sheet Metal, Formability, Finite Element Method, Void Growth1. 대구대학교

Key Words : 3D packaging, Bonding technology, Through silicon via, Insert-bump bonding, Die shear test, Shear strength,

Key Words : Friction stir welding, Lap joint, Dissimilar aluminum alloy, A6K31, A5J32, Tensile shear

Key words : Strain gauge, Composite resin, Filling method, Polymerization shrinkage,

Key Words : Thermal Deformation, Boron Steel Sheet, Fluid Cooling, Phase Transformation, Heat