Roll Products

Roll Products

An extensive product lineup
to meet diverse needs

Daido Machinery manufactures and sells a wide range of roll products for domestic and overseas use.
By combining the expertise that we have acquired, we are able to perform fine machining.
We meet the quality requirements of customers and contribute to higher production efficiency and work efficiency.

  • Rolls for multi-stage cold rolling mills

    Daido Machinery offers various types of rolls ideal for rolling that requires high-quality surfaces such as stainless steel sheets and electro-magnetic steel.

  • Rolls for straightening machines

    As a maker of straightening machinery, we merge our machine design and roll design technologies to meet a wide range of needs.

  • Forming rolls for electric resistance welded pipe

    We supply forming rolls in a full range of sizes. Our engineers extensive knowledge and experience relating to deformation processing, enabling them to respond to all needs.

  • Forged steel rolls

    We support a range of rolling needs with advanced heat treatment technologies and roll grinding technologies.

Detailed information on roll products

Rolls for multi-stage cold rolling mills

We manufacture rolls at multi-stage rolling mills centered in 12-stage and 20-stage rolling mills that cold-roll stainless steel sheets, electromagnetic steel sheets, non-ferrous metals, and more.

Meeting extremely strict quality requirements

To meet extremely strict quality requirements relating to wear resistance and high gloss, we have a wide range of materials from die steel to powdered high-speed steel. Our ZR30 and PM4 products in particular have been well received.

Materials

Materials Daido Code Hardness Characteristics Main Applications
Work Intermediate
Dies ZR5 HS80-85
HRC58-62
Cold die steel for hot rolling and cold rolling
Improved high-temperature return hardness, improved toughness
ZR8 HS78-87
HRC58-62
SKD11 (general-purpose cold rolling die steel) improved product
Improved high-temperature return hardness, improved toughness, detailed carbide refining
ZR21 SHS75-81
HRC56-60
Hot die steel with excellent accident resistance
High-speed steel ZR11 HS88-92
HRC64-66
SKH51 (general-purpose high-speed steel) equivalent product
A general-purpose steel with excellent machinability and toughness
ZR30 HS88-92
HRC64-66
Improved wear resistance and accident prevention
ZR30H HS90-95
HRC64-67
Improved hardness, wear resistance, and machinability
Powdered high-speed steel PM4 ≧HS95
HRC68-70
Powdered high-speed steel with ultra-high hardness and excellent wear resistance

Rolls for straightening machines

Ability to make proposals from a variety of perspectives

Daido Machinery, a maker of straightening machines, responds accurately to the needs of customers from broad perspectives by integrating the machine design technologies we acquired from the manufacture of straightening machines with roll design and processing technologies

Materials

Materials Daido Code Hardness Characteristics
Die steel SKD11 HS78-81
HRC58-60
General-purpose cold rolling die steel
ZR8 HS78-85
HRC58-62
SKD11 (general-purpose cold rolling die steel) improved product
Improved high-temperature return hardness, improved toughness, detailed carbide refining

Forming rolls for electric resistance welded pipe

Tailored responses based on extensive knowledge and experience

We manufacture forming rolls for electric resistance welded pipe forming from small to large diameter.
To form high-quality pipe, engineers with extensive knowledge and experience in plastic processing respond in detail to high-level requests.

Materials

Materials Daido Code Hardness Characteristics
Die steel SKD11 HS78-81
HRC58-60
General-purpose cold rolling die steel
ZR8 HS78-85
HRC58-62
SKD11 (general-purpose cold rolling die steel) improved product
Improved high-temperature return hardness, improved toughness, detailed carbide refining

Forged steel rolls

Responding to diverse needs

Our forged steel rolls use advanced heat treatment technologies and roll polishing technology to perform rolling of various materials.
Materials that can be rolled include stainless steel sheets as well as specialty steels, copper alloys, and non-ferrous materials.

Materials

Materials Daido Code Hardness Characteristics
High-carbon chrome steel TR2 HS80-95 General purpose
CWR3 HS80-97 SKD11 (general-purpose cold rolling die steel) for wear resistance and high hardness

Contact

Even if you don’t have the specifics in minds, please consult with us.
It is our job to bring form to our customers’ ideas.

Daido Machinery

Daido Machinery, Ltd.

9, Takiharucho, Minami-ku, Nagoya 457-8577, Japan

Google Map

Tel: +81-52-611-7171
Fax: +81-52-611-7153

Contact Daido Machinery by email

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