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1/8" ( I.D. ) Dry Pellet Pressing Die - EQ-Die-03D

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EQ-Die-03D is a Complete pressing die with 1/8" I.D. is ready for you to make 3 mm diameter sample pellet. The pressing die is made by high-stretched and highly polished carbon steel to achieve high hardness to meet the essential requirements of making ceramic or metal samples. SPECIFICATIONS:
Pressing die installation schematic
  • To avoid the risk of accidents and damage to the Pressing Die, please read these instructions carefully before installation and before using it for the first time.
    1. Must Read the manual especially the die installation schematic before the operation.
    2. The operator must wear protective goggles.
    3. Must have  Pellet Press equipped with the Protection Cover   
Dimension of die set                 
  1. Demould Punch     2. Pressing Punch        3. Pressing Die           4. Support Plate         5. Demould Rack
Material Made by High-stretched Carbon Steel 
Hardness HRC 60-62
Roughness Average (Ra) 0.08 μm
Max Load 0.43 metric Ton (at room temperature)
600 MPa
Weight 1.1 Lbs
    • DO NOT press flammable, corrosive, or explosive materials
    • The operator must wear a protection goggle.
  • Attention:
  • Use ethanol to clean the pressing die before and after use every time
  • Use anti-rust oil after the operation and store it in a dry place to avoid rusting.
  • NO pressing powder with particle size LESS THAN 30 micron should be used. Small particles may slip into the gap between the pushing rod and steel sleeve and cause damages to the sleeve during the compression.
  • Ball mill or ground the powder to the size of 32~75 microns powder before pressing.
  • .
  • Suggestions:
  • Please use a professional laboratory hydraulic press to ensure the evenness of the pressing interface 
  • For pressing sticky metal powders, such as Al, Mg, Zn, please use dry or alcohol-based lubricants to reduce friction during the compression. 
  • Dies with small diameters (≤10 mm) are more vulnerable to off-center compression, leading to pre-mature top pressing rod failure much below the rated load. Please have top/bottom plates in place and carefully align the die with the centerline of the press machine. Replacement top pressing rods are available here.
Instruction Video                 
Application Note You may consider using EQ-BNMR for easy mold release. Please click the picture below to order.
Steps to make sample pellet
  • Mixing and grinding chemical powder by agate mortar or Ball Mill
  • Calcine mixed the powder in a high temp furnace under suitable temperature
  • Crushing and Grinding calcined powder again by mortar or ball mill
  • Put calcined powder into the die
  • Pressing sample by a pressing machine under suitable pressure
  • Take out pellet sample from die
  • Sintering the pellet under suitable temperature in Oven
  • Then, a new material sample is formed!
  • Pressing Dies are consumable products and are not covered by MTI's warranty.

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