Patterson 5 ft. Dia. x 6 ft. Long Ball Mill ID: 588838

• 5 ft. 0 in. Diameter x 6 ft. 0 in. Long - Type "D" Non-Jacketed Steel Ball Mill
• Condition: New

Specifications

• Internal Mill Dimensions with Liner Plates Installed: 58-7/8 in. Diameter x 71-1/4 in. Inside Length
• Ball Mill Volume: Approx. 839 USG (112 cu.ft.)

Drive

• 30 HP
• 230-460 Volt
• 1725 RPM
• 3 Phase
• 60 Hz
• TEFC
• Enclosure
• Integrally Coupled to a Horizontal Parallel Shaft Helical Geared Reducer with Minimum AGMA Class II Gearing and Service Factor of 2.0 Minimum
• Output Shaft of the Gearbox is Installed the Pinion Gear Meshed with the Main Gear on the Mill Body
• Body Speed of the Mill is Approx. 17 RPM

Reducer

• SEW Eurodrive or Equal Horizontal Foot Mounted Parallel Shafted Helical Geared Unit with a Ratio of Approx. 14:1 Output Speed 125 RPM Full Load Motor Speed of 1750 RPM
• Mechanical Rating of 60 HP Minimum

Spur Gear

• Gear and Pinion Ratio 7.158 Approx.
• Class 40 Cast Iron or Equal Machine Cut Fine Tooth Helical Spur Gear
• 136 Teeth
• 2 D.P
• 20° Pressure Angle
• 5 in. Face Width

Pinion Gear

• SAE 1045 or Equal Forged Steel Machine Cut Fine Tooth Heicsl Pinion
• 19 Teeth
• 2 D.P
• 20° Pressure Angle
• 5 in. Face Width
• Body Speed Approx. 17 RPM

Mill Guarding

• Comes Supplied with Full Type Split Gear Guard

Mill Interior Finish

• Mill Shell Lined with 24 x ¼ in. Thick Liner Plates
• Head Each Lined with 8 x 3/8 in. Thick Pie Shaped Liner Plates
• Liner Plates Retained in Place by 8 x Bolted-In Lifters/Retainer Bars
• Inlet and Mill Trunnion with Lifter Inside Diameter to Suit 6 in. Diameter Feed Auger and Ball Retaining Screen

Mill Cylinder

• Fabricated Weldment Consisting of Fabricated Steel Ribbed Heads and Carbon Steel Shell
• Opening for Charging of the Mill is Cut in the Shell and Door Frame is Welded Around Opening
• Opening: 14 in. x 20 in.
  • Allow for Installation of Liner Plates
• Fabricated Steel Mill Heads Have Bearing Trunnions
  • Some 10 in. Diameter
• Drive Head has an External Flange
  • Main Bull Gear is Mounted

Cylinder Access Door

• Fabricated Steel Grinding Door Complete with
  • 3/8 in. 60 Durometer Neoprene Rubber Gasket

Trunnion Bearings

• Cast Iron Split Cap and Bottom Housing with
  • Poured ASTM Alloy Grade 7 Babbitt
  • Machined
  • Grease-Grooved Surface
• Top Caps have a Cavity for Filling with Bearing Block-Type Brick Grease-Grooved Surface
• Bottom Halves have Externally Cast Spherically Contoured Body Seats into their Counterpart
• Bearing Sockets and Bearing Socket Brackets are Bolted to the Support Stand
• Bearings: 10 in. Diameter with
• Heavy Duty
• SKF or Equal
• Adaptor Sleeve Mounted
• Spherical Roller
• Self Aligning Pillow Block Bearing with
  • Cast/Ductile Iron Bodies and Standard Double Lip Seal

Support Stands

• Fabricated Weldments using
  • Standard Structural Steel and Plate Sections
• Stands are Designed for 66 in. Clearance Between Mill Cylinder and Floor
• Stands are Upper Pad Surface for Bolting Together with Bearing Socket Bracket

• Location: Western USA

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