Technical index and published papers(Aug31,2021) 
 
The link page may not open depending on the browser you are using.
If link does not open, right button-click ★ and select "Open the link in a new tab "
Alternatively, select "Open link in new window".

YouTube APT GIKEN Channel
APT GIKEN document Shop

General matters document video
I opened APT GIKEN Channel
Circumstances of the manufacturing industry in Japan
To revive Japanese manufacturing (my opinion) Press working magazine 2012 vol.50 No.2
Expand common sense. Press working magazine 2019 vol.57 No.1
Interviewed report (about the high value press stamping) Press working magazine 2002 vol.40 No.11
Press forming with additional value Press working magazine 2007 vol.45 No.1
Means of the high value production Press working magazine 1995 vol.33 No.1
Means of technology Press working magazine 1995 vol.33 No.12
Transplant of technique. (to complement)
Die designer's conditions. (as a pro.)
The cost and period for development. Press working magazine 1995 vol.33 No.12
The contents of costs
Processing flow of die making and press stamping.
Enforcement plan and progress for important project. (a form of check sheet) Press working magazine 1995 vol.33 No.12
Tools and dies technique materials (data recording sheet form)
A repair history form of stamping die.

About product design document video
Needed accuracy and its datum.
A blank size for a completion size of the product.
Load force to the assembled part.
Burr side or die-roll side of the stamped product.
The example of improvement of a product. (A subject and reply)
Others

Blanking and shearing document video
Mechanism of two major patterns of burr caused by punching.Press working magazine 2008 vol.46 No.5
Basic
Presumption of sheared surface's length
An expected cutting line and watershed.
Die-Roll of the sheared surface.
Burr due to rotation of a thin cross section
Burr at the intersection of two pierce punches. (Phenomenon)
The scrap movement at the moment of separation.
Stress distribution of pierce punch edge (basic).
How to reach the lubricating oil to the punch edge.
Press-shaving(1/2-2/2) (basic) Press working magazine 1996 vol.34 No9
How to shave-cut for the product which has narrow web.
How to cut narrow web precisely.
Gear blanking which almost has neither slight burr nor a die-break. (1/3-3/3)
Evolution of half blanking.
The method of pushing-backand half-cut-back method.
Verification of factors for the Slug-Pulling (1st report).
Verification of factors for the Slug-Pulling (2nd report).
Eriminating slug pulling during piercing operations
How to pierce a small hole with a press die.
The basic procedure for deep drawing process design.

DEEP DRAWING document video
The basic procedure for deep drawing process design. Press working magazine 2000 vol.38 No.6
Drawing GAP and material thickness
Explanation of lancing slit and hour-glass piercing for deep drawing. Press working magazine 1997 vol.35 No.10
Deep drawing timing and cross-section details
How to deep draw on the edge of the product
Relation between ear occurring and material anisotropy
Horizontal cam trimming for the deep-drawn skirt Press working magazine 1996 vol.34 No.12
Example of piercing cam structure for the side hole
Pattern of cam to pierce hole to the deep-drawn body.
Burring crack prevention.
 

Completion and assembling document video
In-die complex Processing in Press stamping.

Die mechanics document video
Basics of Press-Die structure.
Important matters regarding process design of progressive dies.
Installation structure of Stripperbolts (Shoulder screws) and coil springs.
How to pierce a small hole with a press die.
Bend accuracy.
High precision positioning pilot 
slide cam
Example of piercing cam structure for the side hole
Pattern of cam to pierce hole to the deep-drawn body.
Press-speed at the moment when the tool of the die contacts with the material.
Tool surface and sheet metal surface

APT GIKEN
Advanced Press Technology
Seijiro Oshima - President
3052-1 Moto-oshima, Matsukawa Town
Shimoina-gun, Nagano Prefecture
399-3303
JAPAN
Tel. & FAX #81-265-36-3256
E-mail
apt@clio.ne.jp
English Homepage
http//www.clio.ne.jp/home/apt/eindex.htm

YouTube APT GIKEN Channel https://www.youtube.com/channel/UCqJ943_OGhSXCqlstEr7ZPg

Established in 1982



                            2000+
  1998-02-15以降
                          
               E-Mail: apt@clio.ne.jpまでお願いいたします。
                
ホームペ ージ に戻る