Crushing And Screening Equipment Importer Specification
Subject: Optimizing Your Aggregate Production: A Technical Specification for Crushing and Screening Equipment Importers
1. The Cost of Inefficient Material Processing
Every hour of unscheduled downtime in your crushing circuit costs an estimated $15,000 to $50,000 in lost production, depending on your tonnage targets. For importers and plant managers, the primary challenges are threefold: inconsistent feed material leading to frequent crusher blockages, high wear rates on components due to abrasive aggregates, and the logistical headache of sourcing replacement parts for nonstandard equipment. Are you currently losing 812% of your final product to oversize material due to screening inefficiency? Does your current setup require a dedicated maintenance crew just to clear chokes? The right crushing and screening equipment importer specification addresses these issues by prioritizing mechanical reliability and component standardization.
2. Product Overview: The Integrated Crushing & Screening Module
This specification defines a mobile jawconescreening plant configuration designed for mediumtohard rock (granite, basalt, river gravel) with a target output of 200350 TPH. The operational workflow is as follows:
1. Primary Reduction: Runofmine (ROM) feed enters the vibrating grizzly feeder (VGF), which scalps fines (40mm) before they enter the jaw crusher chamber.
2. Secondary Crushing: Jaw crusher discharge (150mm) is conveyed to a tripledeck horizontal screen for initial classification.
3. Tertiary Circuit: Oversize (+40mm) from the top deck feeds directly into a cone crusher set at a closed side setting (CSS) of 1216mm.
4. Final Screening: Cone crusher discharge returns to the screen via a closedcircuit conveyor system.
5. Stockpiling: Three separate conveyors discharge final products: 5mm sand, 520mm aggregate, and 2040mm base course.
Application Scope: Ideal for greenfield quarry sites or contractors requiring rapid site relocation.
Limitations: Not suitable for sticky clay materials exceeding 15% moisture content without additional prewashing equipment.
3. Core Features & Engineering Rationale
HeavyDuty Vibrating Grizzly Feeder | Technical Basis: Variable eccentric shaft mechanism | Operational Benefit: Prescreens up to 30% of fines before primary crushing | ROI Impact: Reduces jaw crusher wear cost by $0.08/ton and increases primary throughput by 18%
Hydraulic CSS Adjustment System | Technical Basis: Accumulatordriven hydraulic cylinders | Operational Benefit: Allows gap adjustment under load in under 60 seconds without manual shims | ROI Impact: Eliminates two hours of weekly downtime for liner changes; saves $4,200/week in lost production
HighStroke Inclined Screen (20° angle) | Technical Basis: Tripleshaft vibrator generating linear motion | Operational Benefit: Achieves >95% screening efficiency at peak capacity | ROI Impact: Reduces recirculating load by up to 25%, lowering energy consumption per ton by $0.03
WearResistant Manganese Liners (18% Mn + Cr alloy) | Technical Basis: Workhardening austenitic steel | Operational Benefit: Extends liner life by an average of 1,200 hours in granite applications vs standard Mn14 liners | ROI Impact: Reduces annual consumable spend by $18,000 per crusher unit
PLCBased Load Management System | Technical Basis: Current sensing on main drive motor + belt scale feedback loop | Operational Benefit: Automatically reduces feed rate if amp draw exceeds setpoint (e.g., >90% FLA) preventing stall events | ROI Impact: Prevents catastrophic motor failure; average repair cost avoidance of $25,000 per incident
Modular Conveyor Design with CEMA C Idlers | Technical Basis: Bolttogether frame sections with standardized pulley diameters (500mm head/tail) | Operational Benefit: Full conveyor assembly achievable in under four hours with two technicians using hand tools only; no welding required onsite | ROI Impact: Reduces site assembly labor costs by approximately $3,500 per relocation event
4. Competitive Advantages vs Industry Standard Equipment
| Performance Metric | Industry Standard (Mobile Track Plant) | Our Specification Solution | Advantage (% improvement) |
| : | : | : | : |
| Screening Efficiency @ Peak Load
(+25% overload test) | Drops below <85% efficiency
Blinding occurs frequently on bottom deck (92% efficiency
Antiblinding ball trays standard on bottom deck.
+8% yield on spec product
Reduced recirculation load |
| Crusher Liner Life
(Granite – Mohs hardness ~7)
~800 hours before profile loss
>1,400 hours before profile loss
+75% operational life per set
Reduced changeout frequency |
| Average Setup Time
(From transport config to first production)
6–8 hours requiring crane assist
<3 hours using integrated hydraulic jacks and folding conveyors
50% mobilization time
Saves one full shift per move |
| Spare Parts Availability
(Critical wear items – bearings/seals)
Proprietary dimensions – lead time >6 weeks from OEM only.
Standard metric dimensions – compatible with SKF/FAG stockists globally.
70% lead time reduction
Avoids extended downtime waiting for parts |
5. Technical Specifications (Model Example – ICS350)
- Capacity Rating: Nominal throughput of 250–350 TPH based on material density of 1.6 t/m³ loose
- Power Requirements: Total installed power 425 kW (Primary jaw motor 160 kW, Cone motor 220 kW, Screen drive 22 kW, Conveyors total 23 kW)
- Material Specifications: Feed size max 650 mm cube; Material type – nonabrasive sedimentary through highly abrasive igneous rock
- Physical Dimensions (Transport):
- Environmental Operating Range: Ambient temperature 10°C to +45°C; Suitable for altitudes up to 2,500 meters above sea level without derating engine power
- Dust Suppression System: Integrated water spray bars at transfer points requiring water supply at minimum flow rate of 80 L/min @4 bar
- Tonnage increased from 180 TPH to 310 TPH
- Crusher liner life improved from 600 hrs to 1,100 hrs
- $0.14/ton reduction in total operating cost
- Screening efficiency improved from 78% to .96 %
- Cone crusher recirculating load reduced from .45 %.to ..22 %
- Annual energy savings calculated at .$ .9 ,800
Length x Width x Height = 19m x 3m x 4m
Operating Weight = 72 metric tons
Operating Height = 11m (discharge conveyor raised)
Application Scenarios & Quantified Results
Case Study 1 – Hard Rock Quarry Expansion
| Challenge:
A limestone quarry in Texas needed to increase production from existing pit space without expanding permit boundaries.
Solution:
The ICS350 was deployed as a secondary/tertiary circuit replacing two older cone plants.
Results:
Case Study 2 – River Gravel Processing Plant
| Challenge:
A contractor processing alluvial gravel encountered high recirculation loads (>45%) due to poor screen performance causing excessive wear on tertiary cone.
Solution:
The highstroke tripledeck screen replaced existing flatscreen unit within same footprint.
Results:
Commercial Considerations & Procurement Options
Equipment pricing tiers are structured based on configuration complexity:
1 . Base Configuration( Jaw + Cone + Screen ) : Approximate range .$ .850 ,000–$.950 ,000 FOB port .
2 . Enhanced Package( Includes metal detector , dust suppression , remote monitoring telemetry ) : Add .$ .55 ,000–$.75 ,000 .
3 . Premium Package( Includes spare liner kit , tooling set , operator training program ) : Add .$ .120 ,000 .
Optional features available include :
— Wireless remote control system( add $.12 ,500 )
— Extended warranty covering major drivetrain components( years / $.45k )
— Onsite commissioning support package( days / $.18k )
Financing options available through partner lenders :
— Leasetopurchase terms over months .
— Deferred payment plan(first payment due after months ).
— Tradein allowance offered against qualifying used equipment .
Frequently Asked Questions
Q1 : Is this specification compatible with existing stationary plants ?
Yes — modular design allows integration into existing circuits via standard conveyor interface points ; however structural modifications may be required if feed height exceeds m .
Q2 : What is typical lead time from order placement ?
Standard lead time is weeks FOB port ; expedited delivery available at additional premium .
Q3 : How does this handle wet / sticky material compared to standard units ?
The inclined screen design with ball trays handles up moisture content ; above requires optional prewash spray bar system .
Q4 : What warranty coverage applies ?
Standard warranty covers defects in materials / workmanship for months or operational hours whichever occurs first ; excludes normal wear items like liners / belts .
Q5 : Can electrical specifications be modified for local voltage standards ?
Yes — motors are wound dual voltage V / V ; control panel can be configured for local standards upon order confirmation .
Q6 : What documentation is provided with shipment ?
Full technical documentation includes certified dimensional drawings , electrical schematics , operation manual parts book certificate conformity CE ANSI standards applicable region .
Q7 : Are operator training services available ?
Yes — training program covers safe operation routine maintenance troubleshooting common issues ; delivered onsite over days includes handson practice supervised startup sequence .