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FLS الطاحونة البرجية: FTM وFTM-1500 وFTM-5000

Start with published model records to identify twin-screw agitators, wear blocks, magnetic shell liners, bottom liners and pipe linings, then shafts, gearboxes, bearings, seals, materials and drawing references for quotation.

Official FLS Tower Mill FTM cutaway
Official FLS Tower Mill cutaway showing the central twin-screw agitator, vertical grinding chamber, shell liners, feed and discharge positions.
Official FLS Tower Mill FTM front view
Current official front view of the FLS Tower Mill showing the upper drive, grinding chamber, maintenance door and bottom connections.
Official FLS FTM-1500 installation photograph at Benxi Mining
Photograph of 7 installed FTM-1500 mills from the official FLS data sheet, supporting checks of site layout and model records.
OEM equipment guide

Model Records, قطع الغيار المستهلكة, Drive Spares and Materials on One Page

FTM is a low-speed vertical tower mill using steel grinding media. Its central twin-screw agitator is the only moving component in the grinding chamber. This page uses only published FTM, FTM-1500 and FTM-5000 records; unpublished dimensions or power ratings are not inferred from model numbers.

3 Verified Series / Model Records
6 Wear-Part Categories
4 Core Spare Categories
5 Official References
Models and Key Identification Criteria

FTM Product Range, FTM-1500 and FTM-5000

Only particle sizes, installation counts and project details explicitly published in current FLS data sheets and official announcements are listed. Unpublished dimensions, power and speed are not inferred.

Series / ModelRecord TypePublished Particle Sizes / DimensionsPublished Applications and DesignSpare-Part Verification Requirements
FLS Tower Mill (FTM)Current Product SeriesF80 up to 3 mm; P80 20 μm or finerSecondary and tertiary wet fine grinding; central twin-screw agitator, steel media, bottom feed and top dischargeConfirm dimensions, power, speed and media charge against the project selection documents.
FTM-1500Installation Record in the Official Data SheetF80 74 μm；P80 21 μm7 mills recorded at the Benxi Mining magnetite concentrator in ChinaModel and particle-size data come from the 2024 official FLS data sheet. Confirm parts by the individual machine's serial number and drawings.
FTM-5000Official Order RecordOverall dimensions and power were not published in the official announcement.18 mills for an Indian iron-ore project, for secondary and tertiary grinding, with installation and commissioning planned for 2026/2027Only published model and project details are used. Power or dimensions are not inferred from “5000”.
Wear parts

Twin-Screw Agitators, Wear Blocks, Magnetic Liners and Pipe Linings

Start with the FTM-specific twin-screw agitator and high-wear tips, then review the shell, bottom, feed and discharge areas. Each item links to the corresponding component and material pages.

Twin-Screw Agitator Assembly — design and position in FLS Tower Mill FTM
01

Twin-Screw Agitator Assembly

Double-helix Agitator Screw

The only moving assembly in the FTM that directly contacts slurry and steel media. Verify the full model, screw outside diameter, pitch, overall length, hand, sectional design, main-shaft interface, wear-block layout, dynamic balance and lifting points.

Material and manufacturing checks: A composite assembly of a welded alloy-steel structure and replaceable wear parts. Confirm structural material, welding, heat treatment, wear-block grade and fastening method against original drawings and grinding duty.

Specialty alloys الحديد الزهر عالي الكروم Alloy Steel for Drive Components
View the Component Page →
Screw Flight Tips / Wear Blocks — design and position in FLS Tower Mill FTM
02

Screw Flight Tips / Wear Blocks

Screw Tip / Flight Wear Segment

Located on screw-flight edges and high-wear areas, these are priority replacement parts during media agitation. Verify level, left or right hand, inner or outer position, profile, thickness, hole pattern, counterbores, orientation and gaps between adjacent blocks.

Material and manufacturing checks: Select high-chromium wear-resistant cast iron, martensitic wear-resistant alloy steel or a validated composite solution according to abrasion, impact, corrosion and fracture risk.

الحديد الزهر عالي الكروم Specialty alloys Ceramics and Cemented Carbides
View the Component Page →
Magnetic Shell Liner System — design and position in FLS Tower Mill FTM
03

Magnetic Shell Liner System

Shell Magnetic Liner System

Protects the vertical chamber and uses magnetic retention to form a stable lining. Verify the FTM model, shell zones, number of rows, panel dimensions, curvature, magnetic retention design, door area and feed/discharge connections.

Material and manufacturing checks: FLS confirms that FTM uses magnetic shell liners. Wear elements, magnetic components, backing and fastening materials have not been published by model and must be verified against drawings and grinding media.

الحديد الزهر عالي الكروم Specialty alloys Rubber and polyurethane
View the Component Page →
Bottom Plates / Bottom Liners — design and position in FLS Tower Mill FTM
04

Bottom Plates / Bottom Liners

Bottom Plate / Base Liner

Protect the chamber bottom and the area around the bottom feed. Check segmentation, centre hole, feed opening, plate thickness, hole pattern, curvature, lower screw clearance, drain connection and dismantling sequence.

Material and manufacturing checks: Confirm wear-resistant alloy steel, high-chromium cast iron or rubber-metal composite liners according to media erosion, local impact, corrosion and support stiffness.

الحديد الزهر عالي الكروم Specialty alloys Rubber and polyurethane
View the Component Page →
أنبوب التغذية / Feed Chute Linings — design and position in FLS Tower Mill FTM
05

أنبوب التغذية / Feed Chute Linings

أنبوب التغذية / Chute Liner

FTM is bottom-fed, exposing feed pipes and bends to erosion by high-solids slurry. Check pipe diameter, bend radius, flanges, flow direction, lining thickness, end seals, supports and chamber connections.

Material and manufacturing checks: Select rubber, polyurethane, ceramic or wear-resistant alloy linings according to velocity, particle size, solids concentration, corrosion and pressure differential.

Rubber and polyurethane Ceramics and Cemented Carbides Specialty alloys
View the Component Page →
Top Discharge Pipe / Overflow Linings — design and position in FLS Tower Mill FTM
06

Top Discharge Pipe / Overflow Linings

Discharge Pipe / Overflow Liner

Protect the upper fine-product discharge and flow-turning areas. Check outlet, pipe diameter, bends, flanges, lining thickness, flow direction, supports, overflow elevation and downstream connections.

Material and manufacturing checks: Select rubber, polyurethane, ceramic or corrosion-resistant alloys according to fine-slurry erosion, corrosion, temperature and blockage risk.

Rubber and polyurethane Ceramics and Cemented Carbides Specialty alloys
View the Component Page →
Spare parts

Main Shafts, Gearboxes, Bearings, الموانع and Bushings

Low-speed, high-torque vertical drives have specific requirements for alignment, rotation, journal accuracy, bearing loads, lubrication and condition monitoring. Parts cannot be identified merely as generic tower-mill spares.

Agitator العمود الرئيسي — design and position in FLS Tower Mill FTM
01

Agitator العمود الرئيسي

Agitator العمود الرئيسي

Connects the upper drive to the twin-screw agitator and transmits high torque. Check overall length, shaft diameters, flanges, keys/splines, bearing seats, coupling, screw connection, rotation, runout and lifting interfaces.

Material and manufacturing checks: Confirm forged alloy steel, quenching and tempering or surface treatment, journal accuracy and non-destructive testing against high torque, fatigue requirements and original drawings.

Alloy Steel for Drive Components
View the Component Page →
علبة التروس and Drive Assembly — design and position in FLS Tower Mill FTM
02

علبة التروس and Drive Assembly

علبة التروس and Drive Assembly

Delivers power to the low-speed, high-torque agitator shaft. Check the FTM model, drive arrangement, rated power, input/output speeds, ratio, output shaft, coupling, mounting flange, lubrication and monitoring connections.

Material and manufacturing checks: Verify gear, shaft and housing materials, heat treatment, accuracy grades and lubrication against the original gearbox nameplate, load spectrum and drawings.

Alloy Steel for Drive Components
View the Component Page →
Bearing and Seal System — design and position in FLS Tower Mill FTM
03

Bearing and Seal System

Bearing and Seal System

Supports the vertical shaft and isolates the lubricated area. Check bearing designation, clearance, thrust/radial loads, shaft/housing fits, seal type, lubrication, cooling, speed and monitoring points.

Material and manufacturing checks: Confirm bearing steel, drive alloy steel and oil/temperature-resistant seal materials against loads, temperature, lubricant and original designations.

Alloy Steel for Drive Components Sealing materials
View the Component Page →
Bearing Sleeves / Bushings — design and position in FLS Tower Mill FTM
04

Bearing Sleeves / Bushings

جلبة المحمل / Bushing

Provide fits and replaceable protection at bearing, support or connecting positions. Check assembly level, inside/outside diameters, length, flanges, oil grooves, interference, retention and mating shaft/housing materials.

Material and manufacturing checks: Confirm bronze, steel-backed Babbitt, wear-resistant alloy or the original material against contact pressure, speed, lubrication, temperature rise and fit tolerances.

Copper Bearing Alloys Specialty alloys
View the Component Page →
Drawing and Spare-Part Numbers

Match OEM or Third-Party References to Model, Assembly Position and Key Dimensions

With any reference, provide the full FTM model, serial number, agitator level, left/right hand, part name, drawings, used-part photographs, key dimensions, material, steel media and slurry conditions.

Send an FLS OEM drawing number Verify the model, BOM, drawing revision and assembly position. Send a Third-Party Part Number Match the equipment model, part name and key dimensions. Send Wear and Operating Records Review wear blocks, liner materials and target service life.
Related equipment, parts and materials

Connect Installed FLS المعدات with General Tower-Mill Information

The brand path identifies the FTM model, serial number and drawing references. General pages explain part design, materials, grinding duty and manufacturing requirements. Both lead to drawing review and quotation.

FLS brand guide Return to All سلسلة المعدات General Tower Mill / Stirred Mill Page Review General Designs and Component Relationships Tower Mill Component Page Explore agitator materials and quotation requirements. الحديد الزهر عالي الكروم Material Page Review wear-block hardness, toughness and manufacturing processes. Send a model, drawing number or drawing Proceed to Technical Review and Supply

Are FTM-1500 and FTM-5000 parts interchangeable?

Model names alone do not establish interchangeability. Agitators, main shafts, shell liners, drives and piping must be verified against the full model, serial number, OEM drawing reference, drawing revision and installation dimensions.

Do FLS Tower Mill and VXPmill use interchangeable parts?

No. FTM is a low-speed tower mill with steel media and a central twin-screw agitator. VXPmill is a higher-speed stirred mill with ceramic media, removable discs and spacers.

Send the FLS Tower Mill Model, Drawing Reference or Agitator and Spare Requirements

Provide the full model, serial number, assembly position, left/right hand, OEM/third-party references, drawings, used-part photographs, key dimensions, material and grinding conditions. These support part identification, material assessment, production at certified foundries, quality control and finished-part delivery.

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