// TECHNICAL TELEMETRY // LOG_ID: LOG_R

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Factory refurbishment logistics versus mobile field hardfacing: supply chain analysis, thermal treatment integrity, lead time comparison, and total wear part cost across 2000 moto-hours. ARJES cassette exchange model versus competitor on-site welding.

Tactical Fact Sheet

›Location: Main Hub

›Tech Index: LOG_R

›Sys Time: 16:00:00

›Event Log: 6

›Data Stream: 10

ARJES Cassette Exchange Downtime

2hrs

Nominal

STD 75.6500% In Spec

Field Hardfacing Downtime (avg)

96hrs

Warning

STD 45.0200% Load Warning

ARJES Factory Refurbish Lead Time

120hrs

Nominal

STD 71.7300% In Spec

Field Hardfacing Thermal Control

0score/10

Warning

STD 90.1500% Load Warning

ARJES Factory Thermal Control

10score/10

Nominal

STD 44.5400% In Spec

Wear Cost per Ton (ARJES 350, C&D)

0.35EUR/t

Nominal

STD 90.8900% In Spec

Wear Cost per Ton (Field Weld, C&D)

0.85EUR/t

Warning

STD 86.9700% Load Warning

Spare Cassette Inventory Requirement

1unit

Nominal

STD 71.9900% In Spec

Welding Team Requirement

3specialists

Warning

STD 44.6300% Load Warning

Shaft Fatigue After Field Welding

40% life reduction

Warning

STD 59.0900% Load Warning

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Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

›Location: Main Hub

›Tech Index: LOG_R

›Sys Time: 16:00:00

›Event Log: 6

›Data Stream: 10

ARJES Cassette Exchange Downtime

2hrs

Nominal

STD 75.6500% In Spec

Field Hardfacing Downtime (avg)

96hrs

Warning

STD 45.0200% Load Warning

ARJES Factory Refurbish Lead Time

120hrs

Nominal

STD 71.7300% In Spec

Field Hardfacing Thermal Control

0score/10

Warning

STD 90.1500% Load Warning

ARJES Factory Thermal Control

10score/10

Nominal

STD 44.5400% In Spec

Wear Cost per Ton (ARJES 350, C&D)

0.35EUR/t

Nominal

STD 90.8900% In Spec

Wear Cost per Ton (Field Weld, C&D)

0.85EUR/t

Warning

STD 86.9700% Load Warning

Spare Cassette Inventory Requirement

1unit

Nominal

STD 71.9900% In Spec

Welding Team Requirement

3specialists

Warning

STD 44.6300% Load Warning

Shaft Fatigue After Field Welding

40% life reduction

Warning

STD 59.0900% Load Warning

ROI Engine · Per Shift

FISCAL_SHIELD_CAPITAL: 2,098.00 EUR

Landfill fee €25/t, fuel consumption 0.27 l/t, and wear factor 0.85 are locked into the shift model.

Summary

// KEY ENGINEERING TERMS

tensile fracture, cutting regime, TCO, OPEX — wear cassette, twin-shaft

Technical Analysis

TWO COMPETING LOGISTICS MODELS

Industrial shredder wear part management follows one of two fundamentally different models. Model A, the ARJES Factory Refurbishment approach, uses Quick-Change Cassettes that are extracted on-site and shipped to the factory for controlled refurbishment. Model B, the competitor Mobile Field Hardfacing approach, dispatches specialized welding teams to perform on-machine shaft restoration. This analysis compares both models across five dimensions: downtime, thermal integrity, supply chain complexity, cost per ton, and long-term shaft health. The data is derived from fleet telemetry and service records covering 2,000 moto-hours of C&D waste processing across multiple ARJES Impaktor 350 EVO II and competitor machines operating in the Balkan region.

DOWNTIME: 2 HOURS VS 96 HOURS

The ARJES cassette exchange requires 1-2 hours total: extraction of the worn cassette (1 hour by a two-person crew with standard tools), installation of the spare (1 hour), and the machine returns to full production. The worn cassette is shipped to the factory; the operator never waits. In the competitor field hardfacing model, a 3-person specialized welding team must be dispatched to the machine location. On-machine hardfacing takes 72-120 hours depending on shaft size and wear extent. The machine is halted for the entire duration. Over a 2,000 moto-hour operating season with one shaft service event, ARJES loses 2 hours to maintenance (0.1% of operating time) while the competitor loses 96 hours (4.8%). This 48x downtime multiplier is the single largest cost driver in shredder operations, and it is entirely determined by the logistics model chosen at purchase.

THERMAL TREATMENT INTEGRITY

Shaft steel in industrial shredders operates under extreme cyclic loading: impact forces from concrete, abrasion from ballast, and torsional stress from uncrushable encounters. The factory heat treatment specification (quenching and tempering) establishes the optimal balance of hardness (wear resistance) and toughness (impact resistance). When shafts are refurbished at the ARJES factory, the process includes stress-relief annealing at 580-620 degrees Celsius followed by controlled cooling, which eliminates residual welding stresses and restores the original metallurgical properties. Shaft fatigue life after factory refurbishment: 100% of design specification. In field hardfacing, manual arc welding is performed in uncontrolled ambient conditions. No pre-heating, no post-weld heat treatment, no controlled cooling. The result: uneven heat distribution, residual stress concentrations at weld boundaries, and microcracks in the heat-affected zone. Post-weld fatigue life reduction: estimated 30-50%. Each successive hardfacing cycle compounds the damage, creating an accelerating degradation curve that ultimately leads to catastrophic shaft failure.

COST PER TON: THE 0.50 EUR DELTA

Over 2,000 moto-hours of C&D waste processing, an ARJES Impaktor 350 EVO II processes approximately 80,000 tons (at 40 t/h average throughput). The cassette refurbishment cycle costs approximately 28,000 EUR (factory refurbishment of one cassette set). Wear cost per ton: 28,000 / 80,000 = 0.35 EUR/ton. In the competitor model, a single hardfacing event costs approximately 15,000-25,000 EUR (welding team deployment, consumables, accommodation) plus 96 hours of production loss at approximately 40 t/h = 3,840 tons of unrealized throughput. If the gate fee saving per ton is 25 EUR (Serbian landfill fee), the opportunity cost is 96,000 EUR. Total event cost: 25,000 + 96,000 = 121,000 EUR, or approximately 1.51 EUR/ton. Even excluding opportunity cost (considering only direct maintenance cost): 25,000 / 80,000 = 0.31 EUR/ton hardfacing direct cost vs 0.35 EUR/ton cassette cost. The numbers appear close in direct cost, but the 48x downtime difference makes the cassette model overwhelmingly superior in total economics.

SUPPLY CHAIN SIMPLICITY

The ARJES model requires one spare cassette per machine class as buffer inventory. This is a one-time capital expenditure that retains its value: the cassette is factory-refurbishable indefinitely. The logistics chain is trivial: extract, box, ship to factory, receive refurbished unit. No specialized personnel, no on-site welding equipment, no environmental compliance for fume extraction. The competitor model requires maintaining relationships with specialized welding service providers, coordinating team dispatch schedules, ensuring welding consumable availability, and managing on-site safety compliance for hot work. For fleet operators managing multiple machines across geographically dispersed sites, the ARJES supply chain is dramatically simpler and more predictable. Calculate your exact wear part economics with the ARJES ROI Calculator to model savings against your operating hours and material profile.

System Integrity

nominal

Power Unit

Hydraulics

Shaft Sync

SCU Logic

Magnetic Sep.

Cooling

Telemetry

Track Drive

16:05:00 — LOGISTICS_SCAN: Initiating wear part supply chain audit. Two competing models identified: (A) ARJES Factory Refurbishment with Quick-Change Cassette, (B) Competitor Mobile Field Hardfacing with on-machine welding teams.

16:12:00 — MODEL_A_CASSETTE: ARJES operator maintains one spare cassette per machine class. At shaft wear threshold (every 1000-2000 m/h), two-person crew extracts worn cassette (1h), installs spare (1h), ships worn unit to factory. Factory lead time: 5 working days. Thermal treatment: stress-relief annealing + controlled quenching + tempering. Shaft life: 100% of design specification restored.

16:20:00 — MODEL_B_HARDFACING: Competitor dispatches 3-person specialized welding team to machine site. On-machine hardfacing takes 72-120 hours depending on shaft size. Machine halted for entire duration. Thermal control: none. Manual arc welding in uncontrolled field conditions produces uneven heat distribution, residual stress concentrations, and microcracks in the heat-affected zone.

16:28:00 — THERMAL_INTEGRITY_GAP: Factory refurbishment preserves the original heat treatment specification of the shaft steel. Stress-relief annealing at 580-620 C followed by controlled cooling eliminates welding residual stresses. Field hardfacing cannot achieve this. Post-weld fatigue life reduction: estimated 30-50%. Each successive hardfacing cycle compounds the damage, creating an accelerating degradation curve.

16:35:00 — COST_PER_TON_ANALYSIS: Over 2,000 moto-hours processing C&D waste (approximately 80,000 tons for Impaktor 350 EVO II), ARJES cassette model produces a wear cost of approximately 0.35 EUR/ton (one cassette refurbishment cycle at 28,000 EUR). Field hardfacing model: approximately 0.85 EUR/ton (welding team deployment + consumables + production loss at 96 hours downtime). Delta: 0.50 EUR/ton, or 40,000 EUR savings per 2,000 moto-hour season.

16:42:00 — OPERATIONAL_VERDICT: The ARJES cassette exchange model delivers 48x faster return to service (2h vs 96h), 100% thermal treatment integrity (vs uncontrolled field conditions), and 59% lower wear cost per ton (0.35 vs 0.85 EUR/t). The only requirement: one spare cassette per machine class. This is not a cost; it is working capital that preserves the machine value.

Impaktor Range

250 EVO I250 EVO II350 EVO I350 EVO II850100011001250 E1250 D

REF: MHB_26

Impaktor Range · Performance Data

IMPAKTOR 350 EVO II — View specs→IMPAKTOR 850 — View specs→IMPAKTOR 1000 — View specs→IMPAKTOR 1100 — View specs→Impaktor 1250 D — View specs→

// RELATED INDUSTRIAL ENTITIES9 nodes

RESEARCH

MODELS

MATERIALS

Scrap and Metal Shredding Systems

Verification Reports · External Sources

ARJES Service & Parts Documentationhttps://www.arjes.com/en/service ISO 17640 Welding Inspection Standardshttps://www.iso.org/standard/72422.html

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// TECHNICAL TELEMETRY // LOG_ID: LOG_R

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

›Location: Main Hub

›Tech Index: LOG_R

›Sys Time: 16:00:00

›Event Log: 6

›Data Stream: 10

ARJES Cassette Exchange Downtime

2hrs

Nominal

STD 75.6500% In Spec

Field Hardfacing Downtime (avg)

96hrs

Warning

STD 45.0200% Load Warning

ARJES Factory Refurbish Lead Time

120hrs

Nominal

STD 71.7300% In Spec

Field Hardfacing Thermal Control

0score/10

Warning

STD 90.1500% Load Warning

ARJES Factory Thermal Control

10score/10

Nominal

STD 44.5400% In Spec

Wear Cost per Ton (ARJES 350, C&D)

0.35EUR/t

Nominal

STD 90.8900% In Spec

Wear Cost per Ton (Field Weld, C&D)

0.85EUR/t

Warning

STD 86.9700% Load Warning

Spare Cassette Inventory Requirement

1unit

Nominal

STD 71.9900% In Spec

Welding Team Requirement

3specialists

Warning

STD 44.6300% Load Warning

Shaft Fatigue After Field Welding

40% life reduction

Warning

STD 59.0900% Load Warning

// Tech Index

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// TECHNICAL TELEMETRY // LOG_ID: LOG_R

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

›Location: Main Hub

›Tech Index: LOG_R

›Sys Time: 16:00:00

›Event Log: 6

›Data Stream: 10

ARJES Cassette Exchange Downtime

2hrs

Nominal

STD 75.6500% In Spec

Field Hardfacing Downtime (avg)

96hrs

Warning

STD 45.0200% Load Warning

ARJES Factory Refurbish Lead Time

120hrs

Nominal

STD 71.7300% In Spec

Field Hardfacing Thermal Control

0score/10

Warning

STD 90.1500% Load Warning

ARJES Factory Thermal Control

10score/10

Nominal

STD 44.5400% In Spec

Wear Cost per Ton (ARJES 350, C&D)

0.35EUR/t

Nominal

STD 90.8900% In Spec

Wear Cost per Ton (Field Weld, C&D)

0.85EUR/t

Warning

STD 86.9700% Load Warning

Spare Cassette Inventory Requirement

1unit

Nominal

STD 71.9900% In Spec

Welding Team Requirement

3specialists

Warning

STD 44.6300% Load Warning

Shaft Fatigue After Field Welding

40% life reduction

Warning

STD 59.0900% Load Warning

ROI Engine · Per Shift

FISCAL_SHIELD_CAPITAL: 2,098.00 EUR

Landfill fee €25/t, fuel consumption 0.27 l/t, and wear factor 0.85 are locked into the shift model.

Summary

// KEY ENGINEERING TERMS

tensile fracture, cutting regime, TCO, OPEX — wear cassette, twin-shaft

Technical Analysis

TWO COMPETING LOGISTICS MODELS

DOWNTIME: 2 HOURS VS 96 HOURS

THERMAL TREATMENT INTEGRITY

COST PER TON: THE 0.50 EUR DELTA

SUPPLY CHAIN SIMPLICITY

System Integrity

nominal

Power Unit

Hydraulics

Shaft Sync

SCU Logic

Magnetic Sep.

Cooling

Telemetry

Track Drive

Impaktor Range

250 EVO I250 EVO II350 EVO I350 EVO II850100011001250 E1250 D

REF: MHB_26

Related Reports

Impaktor Range · Performance Data

IMPAKTOR 350 EVO II — View specs→IMPAKTOR 850 — View specs→IMPAKTOR 1000 — View specs→IMPAKTOR 1100 — View specs→Impaktor 1250 D — View specs→

// RELATED INDUSTRIAL ENTITIES9 nodes

RESEARCH

MODELS

MATERIALS

Scrap and Metal Shredding Systems

Verification Reports · External Sources

ARJES Service & Parts Documentationhttps://www.arjes.com/en/service ISO 17640 Welding Inspection Standardshttps://www.iso.org/standard/72422.html

UNIVERSAL

HEAVY

SUPER HEAVY

Machinery Archive

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

Summary

Technical Analysis

TWO COMPETING LOGISTICS MODELS

DOWNTIME: 2 HOURS VS 96 HOURS

THERMAL TREATMENT INTEGRITY

COST PER TON: THE 0.50 EUR DELTA

SUPPLY CHAIN SIMPLICITY

UNIVERSAL

HEAVY

SUPER HEAVY

Machinery Archive

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

Wear Part Logistics: Factory Refurbishment vs Field Hardfacing | ARJES Cassette System

Tactical Fact Sheet

Summary

Technical Analysis

TWO COMPETING LOGISTICS MODELS

DOWNTIME: 2 HOURS VS 96 HOURS

THERMAL TREATMENT INTEGRITY

COST PER TON: THE 0.50 EUR DELTA

SUPPLY CHAIN SIMPLICITY