大井工業　株式會社 List of Products and Services

At Oi Industrial, we manufacture blades for automatic packaging machines tailored to our customers' specifications. If you are experiencing issues such as lifespan, breakage, or adhesion with your currently used blades, we can propose improvements through material selection, heat treatment, edge modifications, and coatings. We can manufacture blades to match the design of your products, including gather, V-notch, and I-notch. 【Excerpt of Handled Blades】 ■ Straight Cutters ■ V-notch Cutters ■ Gather Cutters ■ Saw Blades, Serrated Blades ■ Scissor-type Cutters ■ Cutters for Horizontal Pillow Machines, Cutters for Vertical Pillow Machines ■ Slitter Knives, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Other packaging machines
• Other machine elements
• others

At Oi Industrial, we manufacture blades for food processing machines tailored to our customers' specifications. If you have any issues with the blades you are currently using, such as lifespan, chipping, or adhesion, we can assist in improving them through material selection, heat treatment, edge modifications, or coatings. You can choose from five types of materials, which can be heat-treated according to your application. Among stainless steels, we offer options that excel in toughness and corrosion resistance. We cater to all food processing needs, including vegetables, fruits, seasonings, cakes, sushi rolls, fish, meat, chocolate, and gum. 【Types of Blades We Handle】 ■ Food processing cutters (various shapes of round blades and round knives) ■ Cutters for packaging machines (various shapes) ■ Slurries (straight and serrated edges) ■ Slitters ■ Food cutters ■ Comb blades, nagi blades, and composite blades *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract
• others

At Oi Industries, we accept made-to-order production of industrial machine blades. The delivery time is between 2 to 12 weeks (average 5 weeks). You can choose from the following types of blade edge shapes: double-edged, double-step, triple-step, single-edged, single-step, triple-step, and clam blade. 【Estimates can be requested by the following methods】 ■ Request an estimate with drawings: An estimate based on drawings that include dimensional tolerances, materials, and hardness. ■ Request an estimate from sample products (if we can keep them, we will investigate the material and hardness). ■ Determine specifications through meetings and request an estimate. *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract
• others

Our company mainly engages in the made-to-order production of industrial machine blades. For example, they are used in production machinery across various industries, such as food processing machines and automatic packaging machines. Additionally, if we can receive drawings or samples for construction of OA equipment, electrical devices, or communication equipment, we can provide the blades that meet your company's requirements. 【Product Introduction】 ■ Cutter for automatic packaging machines ■ Cutter for food processing machines ■ Cutter for vegetable and fruit processing ■ Saw blades ■ Cutter for cup sealers ■ Plastic processing knives ■ Round knives ■ Slitter knives ■ Blow molding cutters ■ Laser blades *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Other packaging machines
• Other food machinery

This document includes a hardness comparison table for various materials such as stainless steel "SUS420J2," "SOH58," and tool steel "SKH59." It introduces Rockwell (HRC), Shore (HS), and Vickers (HV) hardness scales. [Contents] - Rockwell (HRC) - Shore (HS) - Vickers (HV) *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• cutter

This document includes material composition tables for martensitic stainless steel "SUS440C," as well as "SOH62" and austenitic stainless steel "SUS301." Additionally, it introduces the effects of alloying elements such as C, Si, Mn, Cr, and Mo on the various properties of steel. [Contents] ■ Stainless steel material composition table ■ Effects of alloying elements on the properties of steel *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• cutter

This document includes a composition table for tool steels such as the alloy tool steel "SKD11," as well as "SKH51" and "SK2." Additionally, it introduces the effects of alloying elements such as C, Si, Mn, Cr, and Mo on the various properties of steel. [Contents] ■ Tool steel composition table ■ Effects of alloying elements on the properties of steel *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• cutter

A molybdenum-based high-speed steel with excellent toughness and wear resistance. It is a cutter with a round disc-shaped blade that has a continuous sharp edge along the outer circumference. *For more details, please refer to the PDF document or feel free to contact us.*

• Other machine elements
• cutter

This is a standard thin cutter. It is a razor-like cutter that can be applied for cutting in various uses, made of special tool steel and is inexpensive. *For more details, please refer to the PDF document or feel free to contact us.*

• Other machine elements
• cutter

This is a type of blade that pierces and cuts materials such as paper and film with a serrated edge. The materials that can be processed include SKS-51, SKS, SUS440C, and other stainless steels. *For more details, please refer to the PDF document or feel free to contact us.*

• Other machine elements
• cutter

Regarding super hard products, we accept orders starting from 10 pieces. Please feel free to contact us if you have any requests. *For more details, please refer to the PDF document or feel free to reach out to us.*

• Other machine elements
• cutter

For ultra-hard products, we accept orders starting from 10 pieces. Please feel free to contact us if you have any requests. *For more details, please refer to the PDF document or feel free to reach out to us.

• Other machine elements
• cutter

Regarding the round knives related to food, they will be made from stainless steel materials. We have several types of stainless steel materials available, so please feel free to inquire. *For more details, please refer to the PDF document or feel free to contact us.*

• Other machine elements
• cutter

We offer straight cutters for horizontal pillow packaging machines, as well as V-notch cutters for horizontal pillow packaging machines. *For more details, please refer to the PDF materials or feel free to contact us.*

• Other machine elements
• cutter

For cutters over 1mm, we accept made-to-order production. Please feel free to contact us if you have any requests. *For more details, please refer to the PDF document or feel free to inquire.

• Other machine elements
• cutter

This is a blade for paper and film. If you have custom requests, please feel free to contact us. *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• cutter

It is a cutting tool used to punch the lids of puddings, jellies, and other products sold at convenience stores and supermarkets. Since the shapes punched vary for each user, all products are made to order. *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• cutter

Ooi Industrial Co., Ltd. specializes in custom production of packaging machinery, food machinery, crushing machinery, saw blades, slitter knives, circular knives, round blades, blow molding cutters, and more. We accept custom orders for industrial machine blades necessary for various cutting processes. For more details, please contact us or refer to our catalog.

• Other machine elements
• cutter