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TOTAL PRODUCING ALL FROM HIGH VALUE ADDED AIMING PROPOSALS TO ACTUAL PRODUCTIONS

High value density products in which high technology is complicatedly incorporated have been and will be continuously developed one after another toward various society scenes in the 21st century. This means that remarkably special parts will be required everywhere. We, therefore, believe that special parts are indispensable and take a very important position in order to materialize such future products.
It is also our firm belief that continuously supplying ≥Special≤ parts which are extremely difficult to mass-produce at low costs at high production efficiency and value by means of distinguished forming technology.

Such parts that are severe in shape and accuracy can not be produced by basic cold forming methods only. It is inevitable for producing such products to design distinctive and realistic system making the best use of abundant experience and flexible ideas. This is the very specialty of ≥Suntec≤. ≥Suntec≤ has been buckling down the task of achieving systems to smoothly mass-produce special concept parts in terms of shapes, dimensions, raw materials, accuracy, applications, etc. Technology developed therethrough has been accumulated and are becoming a big energy for the next utilization.
* Even special and complicated shapes can be shear-trimmed within the process of cold formers.
Cost reduction by trimming method
- Increased possibility of replacing from multi-pieces components to single-piece parts.
- Trimming machines are not required and capital investment and labour can be saved.
	* High trimming accuracy of 1/100 in diameter is assured.* Sharp trimmed edge can be maintained.Enlarged photo of sheared portion

* Special forming of shank portion to prevent turning when round shank is locked by plastic materials.

1. By diamond point or sraight line knurling. 2. By deformed member like hexagonal shape. 3. By forming projection on secondary operation like a press machine.

By forming grooves and projections by single operation on cold former * No secondary operation is required. PAT.

Plastic

Plastic

(≥Suntec≤ Method)

(Conventional Method)

It is possible to pierce small diameter long hole from solid coil material keeping required concentricity.

* Bulge forming is possible on cold formers by expanding without using rubber or liquid.

* It is possible to form thin washer shape parts using solid coil materials. It is also possible to form miscellaneous complicated shaped holes. Surface can be finished to fine roughness.

* Deep fork end profile can be formed on cold former without machining operation.

* It is possible to form longitudinally through grooves.

*In forming hard-to-form materials such as stainless steel or high carbon steel, it is possible to realize longer tool life and steady and reliable mass-production by separating slug making operation and forming finished parts using the slugs.

Slug

Parts

Slug

Parts

Header

Annealing

Annealing

Bonderizing

Cold Former

Bonderizing

Cold Former

Cold Former

		* High accuracy can be obtained in inner side roughness, profile and dimensions. Such parts can be produced on cold former operation without leaving sheared face or burrs all through pierced hole.
		* High accuracy can be obtained in inner side roughness, profile and dimensions. Such parts can be produced on cold former operation without leaving sheared face or burrs all through pierced hole.
		*It is possible to cold form totally or partially thin wall parts.
* It is possible to form such shaft parts that are symmetrical at both ends of shafts or those which have multi diameter steps.

≥Suntec≤ not only designs and manufacture tooling, but also proposes suitable cold forming specifications to produce parts specified by customers and produce totally from the proposal to the smooth mass-production.

By utilizing the advantages of cold forming, ≥Suntec≤ pursuits the highest value and the lowest costs.

Parts for study

Proposal of the most suitable cold forming shape, VA, etc

Designing cold forming parts

Trial manufacture and run

* Pursuing cold formed parts by various special cold forming methods * Minimizing tooling setup and replacement time * Standardizing of tooling (for common use)

Former + Former Header + Former Former + Press Etc. Etc.

Thus ≥Suntec≤ offers proposal from designing special parts, mass-production by existing production equipments and elimination of secondary operations. ≥Suntec≤ extends fast support after tooling are supplied for in order that smooth mass-production can be started.