{"id":9574,"date":"2025-06-27T22:05:29","date_gmt":"2025-06-27T14:05:29","guid":{"rendered":"https:\/\/www.zwccrusher.com\/index.php\/2025\/06\/27\/how-to-make-double-roll-crusher\/"},"modified":"2025-06-27T22:05:29","modified_gmt":"2025-06-27T14:05:29","slug":"how-to-make-double-roll-crusher","status":"publish","type":"post","link":"https:\/\/www.zwccrusher.com\/index.php\/2025\/06\/27\/how-to-make-double-roll-crusher\/","title":{"rendered":"how to make double roll crusher"},"content":{"rendered":"

Making a double roll crusher involves designing and assembling two counter-rotating rolls that crush material by compression. Below is a step-by-step guide to building a simple double roll crusher for small-scale applications.<\/p>\n

—<\/p>\n

Materials & Tools Required
\n# Materials:
\n1. Rolls (Crushing Cylinders) \u2013 Made from hardened steel or manganese steel for durability.
\n2. Shafts \u2013 Steel rods to hold the rolls.
\n3. Bearings \u2013 To allow smooth rotation of the shafts.
\n4. Frame \u2013 Sturdy metal (steel or iron) structure to hold the assembly.
\n5. Drive Mechanism \u2013 Motor, belts, pulleys, or gears for power transmission.
\n6. Adjustment Mechanism \u2013 Springs or bolts to adjust the gap between rolls.
\n7. Hopper \u2013 For feeding material into the crusher.
\n8. Fasteners \u2013 Bolts, nuts, and washers.<\/p>\n

# Tools:
\n– Welding machine
\n– Angle grinder
\n– Drill machine
\n– Spanners & wrenches
\n– Measuring tape <\/p>\n

—<\/p>\n

\"how Step-by-Step Construction Guide<\/p>\n

# 1. Design the Roll Crusher
\n– Decide on the roll diameter (typically 6\u201324 inches for small crushers).
\n– Determine the required gap between rolls (adjustable for different particle sizes).
\n– Sketch a basic layout with dimensions.<\/p>\n

\"how# 2. Build the Frame
\n– Cut and weld steel beams\/channels into a rigid rectangular frame.
\n– Ensure enough space for mounting rolls, motor, and adjustment mechanisms.<\/p>\n

# 3. Fabricate the Rolls
\n– Cut two cylindrical steel rods (or use pre-made hardened steel rollers).
\n– Machine grooves or teeth if needed for better grip (optional).
\n– Weld or key them onto shafts with bearings at both ends.<\/p>\n

# 4. Mount the Rolls in the Frame
\n– Install bearings on both sides of each shaft.
\n– Fix one roll in a stationary position.
\n– The second roll should be adjustable (using springs or bolts) to control crushing gap.<\/p>\n

# 5. Install Drive Mechanism
\n– Use an electric motor (1\u20135 HP depending on size).
\n– Connect via V-belts & pulleys or gears to rotate rolls inward toward each other.
\n– Ensure proper speed ratio (typically 50\u2013300 RPM).<\/p>\n

# 6. Add Feed Hopper & Discharge Chute
\n– Weld a funnel-shaped hopper above the rolls for feeding material.
\n– Place a ch<\/p>\n","protected":false},"excerpt":{"rendered":"

Making a double roll crusher involves designing and assembling two counter-rotating rolls that crush material by compression. Below is a step-by-step guide to building a simple double roll crusher for small-scale applications. — Materials & Tools Required # Materials: 1. Rolls (Crushing Cylinders) \u2013 Made from hardened steel or manganese steel for durability. 2. Shafts […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"class_list":["post-9574","post","type-post","status-publish","format-standard","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/posts\/9574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/comments?post=9574"}],"version-history":[{"count":0,"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/posts\/9574\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/media?parent=9574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/categories?post=9574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zwccrusher.com\/index.php\/wp-json\/wp\/v2\/tags?post=9574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}