DM Type Rice Mill Bucket Overview

DM type rice mill bucket is specially designed for rice processing applications, where gentle material handling is essential. It adopts a sliding discharge mechanism to reduce grain breakage and maintain the quality and appearance of rice.

Working Principle

Unlike conventional buckets that discharge materials by dropping, DM buckets use a sliding transfer method. The material from the rear bucket flows smoothly into the next bucket, forming a continuous and controlled conveying process.

This design eliminates sudden impact and reduces mechanical stress on the grains.

Performance Advantage

The sliding discharge design significantly reduces grain breakage and helps maintain the visual quality of rice, which is critical in rice milling applications.

  • Lower damage rate of rice
  • Improved product appearance
  • Gentle and controlled material flow
  • Reduced impact during discharge

Applications

DM type buckets are widely used in:

  • Rice milling systems
  • Grain processing lines
  • Agricultural material handling systems requiring gentle conveying

Use advice

  • It is used for low-speed gravity-style material lifting style;
  • Recommend the bucket installation distance, the height of the bucket back height C size+15mm;
  • Recommend linear speed 0.5-0.8m/s;
  • Recommend “capacity (L) ” as the use capacity for your engineering design.
  • Below the table, the size is for HDPE material. Because of the differences in the material shrinkage, the Nylon and PU elevator bucket size is approximately more than 2%.

Technical Drawing

rice mill bucket drawing

Specifications

Model Bucket Dimension(mm) Mounting   Holes(mm) Capacity(L)
Length
A		 Proj.
B		 Depth
C		 From   Top
D		 Hole   Centres
E		 No.   of
Holes		 Hole
diameter		 Water Level
(Z-Y)
DM1010 105 110 129 48 50 2 9 0.70
DM1310 141 113 124 37 80 2 7 0.95
DM1413 140 141 168 52 93 2 9 1.60
DM1715 175 156 170 52 113 2 9 2.30
DM2017 207 177 187 60 139 2 9 3.40
DM2313 234 135 136 44 125 2 7 2.00
DM2419 244 190 188 65 90 3 9 4.90
DM2917 290 176 194 60 110 3 9 5.30
DM2921 294 210 194 55 113 3 9 6.00

Note: Installation holes and hole diameter can be customized.

 

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Design Background

The DM bucket follows a design originally developed by Satake in Japan, where gentle material transfer is used to reduce grain damage and preserve rice appearance during conveying.

It has been proven effective in reducing grain damage and improving final product quality.

Engineering Considerations

For optimal performance, the following factors should be considered:

  • Elevator speed
  • Material characteristics (fragile grains)
  • Bucket spacing
  • System configuration

DM vs DH vs DX Bucket Comparison

Different bucket designs are developed for specific applications in grain processing and drying systems:

  • DM type – designed for rice milling applications, using a sliding discharge method to ensure gentle conveying and minimize grain damage, especially for maintaining rice appearance
  • DH type – designed for low-temperature grain drying systems, providing stable and gentle conveying to reduce damage during the drying process
  • DX type – designed for high-temperature drying applications, combining high capacity with low-damage conveying for dried grain, feed, and seed materials
Bucket Type Application Key Feature Working Condition
DM Rice milling Sliding discharge, ultra low damage Normal temperature
DH Grain drying Gentle conveying, low damage Low-temperature drying
DX Grain drying High capacity + low damage High-temperature drying

These bucket types are widely used in advanced grain processing and drying systems, with design concepts derived from technologies developed by companies such as KANEKO (Japan) and SUNCUE (Taiwan).

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