Start with the SAG series nominal diameter and project shell dimensions, then identify the feed-end, shell, end and discharge liner systems, drive gears, materials, drawing and inquiry requirements.
This page follows CITIC HIC's published SAG nominal-diameter series and project dimensions, with paths for liner positions, materials, drive parts and drawing-number checks.
The model suffix identifies the nominal shell diameter. Shell length, drive, discharge system and liner arrangement vary by project and must be checked against the project nameplate, general arrangement and drawings before manufacture.
| Model Series | Nominal Shell Diameter | Shell length confirmed by project | Required Checks Before Manufacturing |
|---|---|---|---|
| SAG-40 | 4,000 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-45 | 4,500 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-50 | 5,000 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-55 | 5,500 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-61 | 6,100 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-67 | 6,700 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-73 | 7,300 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-80 | 8,000 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-85 | 8,500 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-88 | 8,800 mm | Published project dimensions include 4,800 / 5,500 mm | Project, nameplate, general arrangement and drive configuration |
| SAG-92 | 9,200 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-98 | 9,800 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-104 | 10,400 mm | Published project dimensions include approximately 5,190 mm | Project, nameplate, general arrangement and drive configuration |
| SAG-110 | 11,000 mm | Published project dimensions include 5,400 / 6,400 mm | Project, nameplate, general arrangement and drive configuration |
| SAG-122 | 12,200 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-128 | 12,800 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
| SAG-134 | 13,420 mm | Confirm against the mill shell length for the project | Nameplate, general arrangement, discharge and drive configuration |
The numbers on the diagram correspond one to one with the rows below.
| No. | Component | Location | Applies to |
|---|---|---|---|
| 1 | Mill head | Visible circular green mill head at the rear left | KSO project SAG mill; website homepage project caption Ø8.8×4.8m |
The system is organized from the feed throat through shell lifting, end liners, grates, pulp lifters and the discharge cone. Each position has distinct impact, abrasive wear, slurry erosion and material-process requirements.
Throat Liner
Protects the feed-end trunnion or throat against impact and erosion from slurry, ore and grinding balls. Confirm the inside and outside diameters, length, flange, hole pattern, rotation direction and feeder interface.
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Outer Feed Head Liner
Protects the outer ring and transition area of the feed-end head. Confirm segmentation, curvature, inner or outer ring position, hole pattern, lifter interface and rotation direction.
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Shell Lifter Plate
Installed on the shell interior to lift ore and grinding balls and control their trajectory. Confirm the arrangement, lifter height, profile, hole spacing, shell diameter and rotation direction.
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Inner Head Liner
Protects the inner ring of the mill head and interfaces with the throat, grate or lifter. Confirm the ring position, segmentation, curvature, hole pattern, rotation direction and adjacent-part interfaces.
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Discharge Grate
Controls the passage of slurry and correctly sized particles while protecting the discharge end. Confirm aperture shape, open area, segmentation, curvature, hole pattern, rotation direction and plugging or wear records.
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Middle Liner
A transition zone between the end liner and discharge system. Confirm the installation layer, inner or outer ring position, curvature, segmentation, hole pattern and relationship to adjacent pulp lifters.
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Pulp Lifter
Directs slurry passing through the grate toward the discharge end. Confirm the inner or outer ring position, vane direction, channel cross-section, rotation direction, hole pattern and plugging or wear records.
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Inner Pulp Lifter
Located in the inner ring of the pulp-lifter system between the grate and discharge cone. Confirm vane direction, channel, inner and outer ring interfaces, rotation direction and installed height.
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Discharge Cone
Directs slurry from the lifter to the discharge opening. Confirm cone angle, inside and outside diameters, length, flange, hole pattern, rotation direction and discharge-sleeve interface.
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Filler Ring
Fills boundaries or transition gaps in the liner system and maintains the liner arrangement. Confirm the ring layer, cross-section, curvature, length, hole pattern and adjacent liner combination.
View Part Details →The gear pair must be checked together for module, tooth count, pressure angle, helix direction, center distance, backlash, contact pattern, material, heat treatment and inspection requirements.
Girth Gear / Ring Gear
Installed around the shell or head and meshed with the pinion to transmit the main drive. Confirm module, tooth count, pressure angle, helix angle, split joint, center distance and contact pattern.
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Pinion
Mates with the ring gear to transmit motor and gearbox output. Confirm module, tooth count, pressure angle, helix direction, shaft interface, backlash and contact pattern.
View Part Details →No. Mills in the same nominal-diameter series may have different project lengths, drives, discharge systems and liner arrangements. Confirm the project, nameplate, general arrangement, drawing and drawing revision.
No. The installation position, arrangement, profile, hole pattern, lifter height, impact, wear, ore, rotation direction, material process and acceptance requirements must also be confirmed.
Submit the nameplate, shell diameter × length, general arrangement, installation position, used part photographs, liner layout and critical dimensions to assess identification, dimensional survey and manufacturing feasibility.
Provide the complete model, shell diameter × length, serial number, liner layout, drawings, used part photographs, materials and duty. We coordinate identification, material assessment, manufacturing selection, quality control and finished part delivery.
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