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Koiwai's work stands on 4 pillars
Ultra-fast Sand mold prototype casting
state of the art device Sand lamination RP method
traditional casting by wooden mold, resin mold, iron mold
that supports the casting technology since many years.
we have complete mastery on all these casting combined,
And Koiwai producing sand casting in short time with high accuracy and low price.
mass production
using gravity die casting and low pressure die casting,
we're making not only prototypes but the same product in mass volume also.
X-ray scannig facility
by 3D digital system, we can get the accurate image of the product.
3D Measurement Device, we can get accurate image of different products.
We're making products in one go from Prototypes
Inspection, Measurement, and Mass Production,
we are handling all the tasks in casting.
If you hold the flea, you hear the voice of wooden mold
Duty officer Mr. Majima 23 years of experience with wood
for 3D solid surfaces, trust us
3D CAD Leader Mr. Terazono 22 years of complete mastery in 3D solids
Tough always and final touch with softness,
Leader Mr. Tanaka 25 years in Casting taking over traditional and reliable technology
Unbeatable technology and confidence in mold pattern,
Yokohama Foctory head Mr. Aoki 40 years of experience in tooling
various hands of various craftsman
carving the proof of confident technology.
these hands are holding Koiwai.
Koiwai is specialized in high accuracy and short time delivery.
we are responding to extensive needs of our customer with latest technology.
Introduction to latest devices and various points
Hadano Factory
Iron melting furnace
melted Iron
Sand mold prototype work
Draw out the mold
Ductile iron
2004 Miyagi Factory Started
All the enthusiast locals with an average young age of 22 years
learning the next generation technology for Koiwai.
inner mold assembly
Mold Casting
Pouring Aluminium
Draw out the product
Cleaning the die
2005 Yokohama factory opened
A learning place for Young Engineers
from the Masters and advanced technologist Craftsmen.
Modelling work
Die Machining
Die finishing
2007 Seisho R & D opened.
Here, We're casting at the most advanced technology in Koiwai.
The High end 3D CAD-CAM system is supproting different platforms of works.
Laser Sintering RP system that can integrated in complex shapes,
can make high accuracy product in very short time.
Due to these technology being observed,
Koiwai got certified by the Kanagawa Prefecture Investment System Scheme.
Making of inner molds by 3D digital system,
it makes the mold directly from CAD data in few hours.
Due to this technology being observed,
Koiwai got certified by Ministry of Economy, trade and industry,
And Small and Medium Enterprise Agency (Japan)
July, 2012 Koiwai introduced the S-Max machine for large parts with dimensions
The product accuracy is measured by non-contact 3D digital measurement system.
X-ray computed machine is capable enough to inspect the inside area of product without cutting it.
these devices and technology helps not even to shorten the time period of manufacturing process
or make work flow smooth but produces the chances for higher accuracy and latest technology.
having solid performence in background and moving with latest technology,
Koiwai is responding to all the customers needs.
we will do our best to make the traditional casting technology more developed with high quality
and hope to carved as a valuable company in history while contributing for society at our best.
If you hold the flea, you hear the voice of wooden mold
Duty officer Mr. Majima 23 years of experience with wood
for 3D solid surfaces, trust us
3D CAD Leader Mr. Terazono 22 years of complete mastery in 3D solids
Tough always and final touch with softness,
Leader Mr. Tanaka 25 years in Casting taking over traditional and reliable technology
Unbeatable technology and confidence in mold pattern,
Yokohama Foctory head Mr. Aoki 40 years of experience in tooling
various hands of various craftsman
carving the proof of confident technology.
these hands are holding Koiwai.
the latest activity in Seisho R & D, Low Pressure Die Casting Plant,
it casts by utilizing the difference in pressure called Differential Pressure Casting.
It is developed in the contribution of Waseda University, Gifu University,
Advanced Industrial Science and Technology and The Institute of Physical and chemical research Japan.
we succeed to make mass production in manufacturing using Rapid Prototype method.
Significantly reducing the cycle time and cost of the equipment or device also.
July 2011, we introduce the New Co-ordinate 3D Measuring CNC Machine to Seisho R & D.
we began as a commissioned dimensional measurement business while using 3D digitizer machine.
one of our pride at Seisho R & D, X-ray CT scanner
also began to work as a commissioned dimensional measurement device.
we got earthquake March 2011, fortunately we haven't got any damages to any of our employee and machines.
and we started work as per our business continuity planning within 6 days.
we haven't got effected by earthquake and work flow is going smooth as before.
Our employees participated in volunteer activities in helping at Earthquake prone area.
If you hold the flea, you hear the voice of wooden mold
Duty officer Mr. Majima 23 years of experience with wood
for 3D solid surfaces, trust us
3D CAD Leader Mr. Terazono 22 years of complete mastery in 3D solids
Tough always and final touch with softness,
Leader Mr. Tanaka 25 years in Casting taking over traditional and reliable technology
Unbeatable technology and confidence in mold pattern,
Yokohama Foctory head Mr. Aoki 40 years of experience in tooling
various hands of various craftsman
carving the proof of confident technology.
these hands are holding Koiwai.