Review 38 current HDS double-shaft hammer crusher and HUM, HNM and HUV hammer mill models, including rotor arrangements, hammers and pins, grate baskets, liners, shaft assemblies and drive spares.
This page distinguishes the HDS double-shaft hammer crusher, HUM single reversible-rotor hammer mill, HNM twin non-reversible-rotor hammer mill and HUV variable-rotor hammer mill. It focuses on spare-part identification, material selection and manufacture to drawing.
The table uses current official HAZEMAG HDS, HUM, HNM and HUV data. Capacity supports initial series screening; actual performance depends on feed material, particle size and configuration.
| Series and Standard Models | Rotor Design / Key Dimensions | Feed Size / Capacity Range | Key Spare-Part Checks |
|---|---|---|---|
| HDS：1412, 1414, 1416, 1418; 1613, 1615, 1618, 1620; 1818, 1821, 1823, 1825; 2019, 2022, 2025, 2028, 2032 | Twin rotors; diameter 1,400–2,000 mm, width 1,200–3,160 mm | Maximum feed edge length 1,000–1,600 mm; published capacity approximately 180–2,450 t/h | Hammers, hammer pins, centre anvil, grate bars and baskets, twin-rotor shaft assemblies |
| HUM：0703, 0705, 0708, 1008, 1013, 1313 | Single reversible rotor; Ø650–1,300 × 250–1,250 mm | Approximately 5–50 t/h at 95% below 3 mm; 15–250 kW | Hammers, rotor discs, grinding path, grate plates, casing liners and V-belt drive |
| HNM：0703, 0705, 0708, 1008, 1013, 1020, 1313, 1325 | Twin non-reversible rotors; Ø650–1,300 × 250–2,500 mm | Approximately 10–190 t/h at 95% below 3 mm; twin-motor configuration | Twin-rotor positions, hammers and pins, grinding path, grate plates and bearing supports |
| HUV：1013, 1020, 1313, 1622, 1626, 1630, 1634 | Variable single rotor; feed opening approximately 376–690 × 1,220–3,400 mm | Maximum feed size 120–280 mm; published capacity approximately 110–510 t/h | Rotor configuration, hammers, impact and grinding path, casing liners and drive interfaces |
| Legacy Series: Unirotor and Novorotor | OEM-listed predecessors of HUM and HNM respectively | Confirm legacy dimensions and configuration using the specific nameplate, year and drawings | Do not substitute current-series dimensions, hammers or rotor designs directly |
Hammer equipment does not share universally interchangeable parts. Before manufacture, check the full model, rotor count and rotation, rotor dimensions, serial number, drawing number and revision, and installed parts.
Six component groups cover direct impact, load transfer, impact and grinding surfaces, and screened discharge. Each group links to materials and common part pages.
Swing Hammer System
Hammers swing freely between the rotor discs and directly impact the feed. Check hammer shape, quantity, swing clearance and fastening separately for HDS, HUM, HNM and HUV.
Material Selection:Public HAZEMAG material mentions composite-cast hammers. Select candidate alloy steel, high-chromium or composite solutions against impact, abrasion, section thickness, original drawings and worn parts.
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Hammer Pin & Retention Parts
Connects swing hammers to rotor discs while carrying alternating impact, bending and wear. Check diameter, length, end locking, disc spacing, hammer bore and removal direction.
Material Selection:Hammer pins require core toughness, surface wear resistance, suitable heat treatment, straightness and non-destructive testing. Confirm end locks against strength and resistance to loosening.
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Rotor Disc, Spacer & Ring
Rotor discs are arranged along the shaft to position the hammers and transfer loads; spacers and rings control disc spacing. Check disc count, thickness, hole pattern, shaft fit and axial location as a set.
Material Selection:Confirm rotor discs, spacers and rings separately against load, welded or assembled design, base material, heat treatment and dimensional tolerances.
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Central Anvil, Impact Wall & Housing Liner
The HDS centre anvil lies between the two rotors. HUM, HNM and HUV use impact surfaces and casing liners according to their designs. Installation positions, profiles and load paths differ between series.
Material Selection:Screen manganese steel, wear-resistant plate, high-chromium or composite options against direct impact, sliding wear and supporting structure.
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Grinding Path Liner & Spacer Bar
Provides secondary impact, fine crushing and product-size control. Presence, bar count, spacing and curvature depend on the specific HUM, HNM or HUV duty.
Material Selection:Select high-chromium wear material, alloy steel or wear-resistant plate against impact intensity, target particle size and abrasion. Confirm fastening and clearance at the same time.
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Grate Bar, Segment & Basket
The HDS grate basket retains oversized particles and can be withdrawn with its frame for maintenance. HUM and HNM may use different grate plates or screens. Check openings, gaps, curvature, segmentation and supports.
Material Selection:Screen high-chromium, alloy-steel or wear-plate options against particle impact, blockage, wear of screen gaps and replacement weight.
View Part Details →Drive components are listed separately. Check rotors, main shafts, bearing housings, pulleys, V-belts and grate-basket trolleys against the specific series and installation interfaces.
Rotor Assembly
HDS has twin rotors, HUM and HUV have single rotors, and HNM has twin non-reversible rotors. Identify each by series, rotor position, rotation, disc count, hammer arrangement and shaft-end interfaces.
Material Selection:Check rotor shafts, discs, spacers and connections separately for base material, heat treatment, welding, dynamic balance and non-destructive testing.
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Rotor Shaft
Transmits drive torque and carries hammer impact loads. Check shaft ends, bearing and seal seats, key or locking-assembly interfaces, disc-pack fits, rotation and dynamic balance requirements.
Material Selection:Confirm forged alloy steel, heat treatment, mechanical properties, ultrasonic inspection and critical fit-surface quality against the original drawing.
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Rotor Bearing, Housing & Seal
Supports the impact rotor and maintains shaft position. Check bearing designation, clearance, housing bore, end covers, temperature monitoring, seals and lubrication interfaces as a set.
Material Selection:Confirm bearings against nameplates or maintenance documents. Check housings, end covers and seals separately against drawings, accuracy, temperature and dust conditions.
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Drive Pulley
The official HUM drive comprises motor and rotor pulleys with matched high-performance V-belts. Check other series against their drive configurations. Confirm diameter, groove profile, bore, key and rotation.
Material Selection:Confirm pulley base material, machining accuracy, dynamic balance, shaft-bore fit and surface protection against speed, power and the original drawing.
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V-Belt Set & Tension Interface
Confirm V-belts as a matched set by cross-section, effective length, belt count, matching tolerance, pulley groove profile and centre distance. Do not mix batches or replace only one belt.
Material Selection:Determine elastomer, cord reinforcement and temperature grade against speed, power, ambient temperature, dust and guarding conditions.
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Grate Basket Trolley, Roller & Guide
The HDS grate basket can be withdrawn from the casing on its frame or trolley. Check rollers, rails, pins, stops and supports as a set against machine width and maintenance direction.
Material Selection:Confirm rollers, pins, guide surfaces and brackets separately against load, rolling contact, impact, wear and welding requirements.
View Part Details →No. Rotor count, rotation, disc spacing, hammer pins, swing clearance and operating conditions differ. Confirm each part against the full model, rotor position, dimensions, drawing number and worn part.
They are part of the drive train. Dimensions, groove profile, belt count, matching and dynamic balance directly affect rotor operation, so they require their own identification details.
The available material does not provide traceable catalogue numbers matched to specific models and positions. Numbers without catalogue, drawing or installation-record support are not published.
Provide the full model, serial number, rotor count and rotation, rotor dimensions, part position, drawing number, worn-part photographs, material and operating conditions. These support identification, material assessment, manufacturing coordination, quality control and finished-part delivery.
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