Submitting a vague inquiry such as ‘Please send best price for copper granulator’ is the fastest way to receive inaccurate proposals, mismatched machinery, and unexpected cost additions. Machinery manufacturers require specific engineering data regarding your feedstock wire mix, workshop power, and target recovery purity to engineer an accurate quotation. To obtain an accurate, binding quotation from an overseas machinery manufacturer, your RFQ must define six essential parameters: scrap cable categories and photos (cross-sections, conductor types), target processing throughput (kg/h and daily operational hours), exact electrical service (voltage, frequency, 3-phase, panel capacity), separation purity standards, required auxiliary scope (infeed conveyor, magnetic separator, pre-shredder), and commercial shipping terms (Incoterms 2020 CIF or FOB with designated port of discharge). Below, we provide a complete, downloadable-grade RFQ specification framework, parameter-by-parameter explanations, and a ready-to-use template that ensures factories return precise engineering proposals on the first pass.

Feedstock Characterization: The Data Factories Need to Select Your Rotor and Screen

We explain how scrap cable composition, diameter ranges, and insulation polymers dictate rotor cutting geometry and screen mesh sizing. Define cable types (automotive, building, telecom), conductor diameter ranges, insulation materials (PVC, XLPE, rubber), and whether grease or adhesive tape is present.

Feedstock parameters that dictate granulator engineering

The single most critical section of any copper granulator RFQ is the material characterization sheet. Scrap cable varies wildly in mechanical toughness, copper yield, and insulation behavior under heat. A machine configured specifically for stiff single-strand copper building wire will jam immediately if fed fine automotive wiring harnesses with adhesive tape.

When drafting your inquiry, document the following feedstock parameters:

1. Wire Categories Processed: Break down your expected scrap mix by percentage:
2. Conductor Diameter Range: Specify the minimum and maximum external cable diameter (e.g., 0.5 mm to 20 mm). If you have cables exceeding 25 mm, state whether you plan to pre-strip them using a cable stripper or require an integrated pre-shredder.
3. Contaminant Checklist: Indicate whether the scrap contains iron wire, steel armor, brass terminal clips, or aluminum wiring. Identifying contaminants allows the factory to include an overband magnetic cross-belt or electrostatic separation deck.
4. Visual Evidence: Always attach 3 to 5 clear photographs showing your scrap wire piles, with a ruler or coin placed beside cut ends to indicate scale.

Note: Model parameters cited in manufacturer responses represent reference configurations, to be confirmed in the final quotation.

Electrical and Utility Specifications: Matching Local Grid and Panel Constraints

We detail the electrical information required to ensure the factory builds motor windings and control switchgear compatible with your facility. Provide line-to-line 3-phase voltage, frequency in Hertz, available service panel amperage, and required electrical component brands.

Electrical requirements and utility coordination

Industrial machinery operates across diverse electrical grids worldwide. While standard three-phase industrial power in North America is typically 480V or 208V/240V at 60 Hz, Europe, the UK, Australia, and parts of Asia utilize 380V, 400V, or 415V at 50 Hz.

If an RFQ fails to specify grid parameters, the factory will typically quote standard domestic Chinese voltage (380V / 50 Hz). Modifying motor windings and contactors after manufacturing creates severe delays and cost revisions.

Include the following utility specifications in your RFQ:

• Three-Phase Operating Voltage: State the exact nominal line-to-line voltage (e.g., 208V, 220V, 240V, 380V, 400V, 415V, 440V, or 480V).
• Grid Frequency: Specify 50 Hz or 60 Hz. (Running a 50 Hz motor on 60 Hz increases shaft speed by 20%, overheating bearings and altering airflow aerodynamics).
• Available Workshop Electrical Service: Specify the main breaker amperage dedicated to the recycling area (e.g., 100A, 200A, or 400A). This enables engineers to recommend soft-starters or variable frequency drives (VFDs) to limit start-up inrush current.
• Component Brand Preferences: If your facility requires specific switchgear brands for ease of domestic maintenance, specify preferred tiers (e.g., Schneider Electric, Siemens, or ABB contactors and breakers).
• Compressed Air Availability: State whether your facility has plant compressed air (typically 0.6–0.8 MPa) for pulse-jet dust collectors, or if an integrated dedicated screw air compressor must be included in the machinery package.

Target Throughput, Purity Guarantees, and Auxiliary Equipment Scope

We review how to define realistic production capacities, metal recovery purity benchmarks, and essential auxiliary machinery. Specify continuous throughput in kg/h across your wire mix, require 99%+ copper recovery conforming to ISRI Berry/Barley standards, and define auxiliary needs.

Capacity benchmarks, purity standards, and auxiliary options

To evaluate competing machinery proposals objectively, you must demand clear performance metrics and standardize the auxiliary scope across all bidding factories.

1. Defining Throughput (kg/h vs Daily Accumulation)

State your target processing capacity based on continuous daily operation rather than peak theoretical runs:

• State target throughput in kilograms per hour (e.g., 100 kg/h, 200 kg/h, 500 kg/h, or 1,000 kg/h).
• State your expected daily operating hours (e.g., 4 hours/day single shift, or 16 hours/day two shifts).
• Clarify that throughput ratings must apply to your mixed scrap wire feedstock, not solely clean copper cable.

2. Performance and Purity Guarantees

Require the bidding manufacturer to provide written performance guarantees benchmarked to recognized scrap commodity definitions: Copper Chop Purity: Require minimum 99%+ metal purity on the recovered copper fraction, meeting ISRI Berry or Barley grade scrap standards. Metal Loss Threshold: Mandate that copper content remaining in the discarded plastic insulation fraction does not exceed 0.1% to 0.2% by weight.

3. Auxiliary Equipment Checklist

Specify which auxiliary options must be itemized in the proposal:

• Infeed belt conveyor with magnetic head pulley or overband rare-earth cross-belt magnet.
• Primary low-speed pre-shredder for whole cable bundles.
• Electrostatic separator for recovering ultra-fine hair copper dust from plastic tailings.
• Air compressor and pneumatic piping for pulse-jet dust collection.
• Consumables package: Request quotes for two complete spare sets of D2/SKD-11 rotor and bed blades, plus assorted screen mesh sizes (e.g., 2.0 mm, 3.0 mm, 4.0 mm).

The Ready-to-Use RFQ Template and Commercial Delivery Terms

We provide a standardized copy-and-paste RFQ specification sheet and outline Incoterms 2020 commercial delivery requirements. Utilize our structured RFQ template specifying Incoterms 2020 (FOB or CIF), discharge port, seaworthy packing, and technical documentation requirements.

Standardized copper granulator RFQ template and Incoterms 2020

When requesting quotes, structure your inquiry using the standardized template below. Copy, fill in your operational parameters, and submit directly to machinery manufacturers:

REQUEST FOR QUOTATION (RFQ): INDUSTRIAL COPPER WIRE GRANULATING SYSTEM

1. COMPANY AND OPERATIONAL OVERVIEW
- Buyer Company Name: [Your Scrap Yard / Recycling Facility]
- Facility Location: [City, State/Province, Country]
- Target Commissioning Date: [Month, Year]

2. FEEDSTOCK CABLE SPECIFICATIONS
- Primary Wire Types: [e.g., 40% Building Cable, 30% Automotive Harness, 30% Cat5/Data]
- Wire Conductor Diameter Range: [e.g., 0.5 mm minimum to 20 mm maximum]
- Insulation Types: [e.g., PVC, XLPE, Polyethylene, Rubber]
- Presence of Contaminants: [e.g., sticky tape on auto harness, residual terminal clips]
- Feedstock Photographs: [Attached: 4 detailed photos showing scrap cross-sections]

3. CAPACITY AND PURITY BENCHMARKS
- Target Hourly Throughput: [e.g., 200 kg/h to 300 kg/h mixed cable feed]
- Expected Daily Operating Schedule: [e.g., 6 hours/day, 5 days/week]
- Required Recovery Purity: 99%+ Clean Copper Chops (ReMA/ISRI Clove grade)
- Maximum Copper Loss in Plastic Tails: < 0.2% by weight

4. ELECTRICAL AND UTILITY PARAMETERS
- Three-Phase Operating Voltage: [e.g., 480V / 208V / 400V / 415V]
- Electrical Frequency: [50 Hz or 60 Hz]
- Dedicated Service Breaker Capacity: [e.g., 125 Amps at 480V]
- Preferred Switchgear Components: [e.g., Schneider Electric / Siemens / ABB]

5. SCOPE OF SUPPLY REQUIRED
[X] Granulator Cutting Chamber with High-Alloy D2 / SKD-11 Blades
[X] Dry Vibratory Air Density Separation Table
[X] High-Efficiency Pulse-Jet Baghouse Dust Collector
[ ] Automated Infeed Belt Conveyor with Overband Magnetic Separator
[ ] Primary Low-Speed Pre-Shredder for Cable Bundles
[X] Two (2) Complete Sets of Replacement Rotor and Bed Knives
[X] Assorted Screen Mesh Plates (2.0 mm, 3.0 mm, 4.0 mm)
[X] Comprehensive English Operation & Maintenance Manual + CE Declaration

6. COMMERCIAL AND SHIPPING INCOTERMS (Incoterms 2020)
- Quoted Trade Terms: CIF [Designated Port of Discharge, e.g., Los Angeles / Rotterdam / Sydney]
- Alternate Trade Terms: FOB [Factory Origin Port, e.g., Qingdao / Ningbo]
- Packaging Standard: Vacuum-sealed VCI protective wrap inside steel-braced ocean container

Commercial Shipping Clarity under Incoterms 2020

Under ICC Incoterms 2020, always specify whether you require CIF (Cost, Insurance, and Freight) to your local ocean container terminal, or FOB (Free on Board) if your company maintains a master freight forwarding contract. Requesting CIF delivery ensures the overseas factory arranges marine container transit and provides comprehensive marine cargo insurance covering transit risks up to your domestic port.

Submit Your RFQ to MECUVO Engineering

To submit your copper granulator RFQ for professional review and receive a comprehensive technical proposal including CAD footprints and electrical line diagrams, send your cable specs through the contact page.

Key Takeaways

Submitting a complete RFQ detailing feedstock wire categories, electrical service, throughput targets, and Incoterms guarantees accurate machinery proposals and prevents expensive retrofits during installation.