1. PAINPOINT DRIVEN OPENING

Are you managing gold recovery operations burdened by inconsistent throughput, excessive maintenance costs, and unpredictable final concentrate quality? The limitations of a standard stamp mill can directly impact your bottom line: unplanned downtime for die and shoe replacement halts production, inefficient crushing and amalgamation reduces overall yield, and high energy consumption per ton processed erodes profit margins. Are you facing challenges in scaling your operation costeffectively or processing harder ore types without constant equipment stress? These are not merely operational hiccups; they are systematic constraints on your mine's profitability. What if your stamp mill could deliver more consistent particle size for improved recovery, operate with greater mechanical reliability, and adapt to variable ore characteristics without sacrificing efficiency? Addressing these pain points requires a purposebuilt engineering solution.

2. PRODUCT OVERVIEW

This document details our Private Label Stamp Mill solutions for gold mining operations. We engineer and supply fully customizable, heavyduty stamp mills for the primary crushing and grinding of goldbearing quartz ores. The operational workflow is engineered for robustness: (1) Ore is fed into a rugged mortar box, (2) Mechanically lifted stamps drop onto the ore via a rotating camshaft, repeatedly crushing the material, (3) A continuous water wash carries the finely ground slurry over amalgamation plates for initial gold capture and onward to further concentration processes. This solution is specifically scoped for mediumscale, hard rock gold processing plants seeking reliable, mechanical simplicity. It is less suited for ultrafine grinding requirements or fully chemicalleach operations without supplementary ball milling.

3. CORE FEATURES

Modular Frame Design | Technical Basis: Fabricated highcarbon steel sections with pretapped connection points | Operational Benefit: Enables straightforward site assembly, future reconfiguration, or expansion by adding stamp units | ROI Impact: Reduces installation labor costs by an estimated 1520% and protects longterm capital investment.

Forged Alloy Stamp Heads | Technical Basis: Hotforged mediumcarbon steel with chromium augmentation for abrasion resistance | Operational Benefit: Withstands extreme impact fatigue, extending service life between replacements under highsilica ore conditions | ROI Impact: Lowers consumable parts cost per ton crushed; field data shows a 3050% increase in head life over standard cast heads.

PrecisionMachined Camshaft | Technical Basis: CNCmachined from a single steel billet with inductionhardened cam lobes | Operational Benefit: Ensures perfectly synchronized stamp lift and drop, promoting consistent grind size and reducing uneven wear on shoes and dies | ROI Impact: Improves grind consistency for better downstream recovery rates and reduces vibrationrelated maintenance.

Interchangeable Wear Liners | Technical Basis: Boltin manganese steel liners for the mortar box | Operational Benefit: Your maintenance crew can replace highwear areas quickly without major disassembly, minimizing operational downtime | ROI Impact: Turns a potential 8hour liner replacement into a 2hour task, directly increasing plant availability.

Adjustable Discharge Grate | Technical Basis: Perforated steel grate with variable aperture control | Operational Benefit: Operators can finetune product size in response to realtime ore hardness or downstream process needs | ROI Impact: Optimizes circuit balance, preventing both undergrinding (lost gold) and overgrinding (excessive energy use).

Centralized Grease Manifold | Technical Basis: Singlepoint lubrication system routing to all major bearings and cam surfaces | Operational Benefit: Simplifies routine maintenance, ensures critical points are lubricated, and improves operator safety| ROI Impact: Reduces bearing failure risk and associated unplanned stoppages.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | Private Label Stamp Mill Solution | Advantage (% improvement) |
| : | : | : | : |
| Mean Time Between Failure (Stamp Head) | 500 700 operating hours | 950 1050 operating hours | ~55% longer service life |
| Energy Consumption per Ton Crushed| ~5.5 kWh/t (for 10 mesh)| ~4.8 kWh/t (for 10 mesh)| ~13% more efficient |
| Average Installation & Commissioning Time| 1014 days| 68 days| ~40% faster deployment |
| Particle Size Consistency (P80 Variance)| +/ 15%| +/ 8%| ~47% more consistent output |

Based on comparative testing with quartz ore of 1214 kWh Bond Work Index.

5. TECHNICAL SPECIFICATIONS

Capacity Range: Configurable from 1 to 5 stamps per unit. Typical throughput from a 5stamp mill processing quartz ore is between 0.5 to 2.5 tons per hour, dependent on feed size and target grind.
Power Requirements: Driven by an electric motor via Vbelt transmission. Standard configurations require 15 kW to 45 kW, based on the number of stamps.
Material Specifications: Primary frame ASTM A36 carbon steel; Stamps & Camshaft Medium Carbon/Alloy Steel; Mortar Box Liners Austenitic Manganese Steel (1114% Mn); Amalgamation Plates available in textured copper or stainless steel.
Physical Dimensions: A typical 3stamp mill footprint is approximately 3m L x 1.8m W x 2.2m H. Dimensions scale with stamp count.
Environmental Operating Range: Designed for ambient temperatures from 10°C to +45°C. Dust suppression via water wash is integral; enclosures available for extreme environments.

6. APPLICATION SCENARIOS

MidScale Hard Rock Mine Expansion Challenge:

A West African operation using outdated hammer mills faced high wear part costs and inability to process increasing volumes of harder primary ore.

Solution:

Implementation of two customconfigured private label stamp mills as primary crushers ahead of their existing gravity circuit.

Results:

Achieved a stable feed size for downstream concentrators, reducing overall circuit volatility. Wear part costs decreased by an estimated $18k annually while plant throughput increased by approximately onethird within six months.

Artisanal & SmallScale Mining (ASM) Cooperative Challenge:

A South American cooperative needed to upgrade from manual crushing to mechanized processing but required simpletooperate technology with local serviceability.

Solution:

Supply of a singlestamp private label mill with an emphasis on modularity and basic mechanical training.

Results:

The cooperative established its first centralized processing facility Gold recovery rates improved significantly over manual methods providing measurable economic uplift The simple design allowed local mechanics to perform all routine maintenance

7 COMMERCIAL CONSIDERATIONS

Our private label stamp mill solutions are offered in clear pricing tiers based on core configuration:

Base Unit Tier: Includes frame motor single camshaft assembly one stamp mortar box Standard pricing begins in the range of $XX000
Production Tier: Most common purchase Includes multiple stamps full amalgamation plate setup discharge troughs centralized lubrication Pricing typically ranges from $XX000 $XXX000
Custom Plant Tier: Fully integrated systems including feed hoppers water recycling pumps safety guards and control panels Priced on project scope

Optional features include variable speed drives automated grease systems advanced slurry distribution launders different metallurgies for wear parts Service packages range from basic commissioning support through annual inspection contracts up to full wear part supply agreements Financing options including equipment leasing are available through our partners subject to credit approval

8 FAQ

Q1 Are your private label stamp mills compatible with existing plant infrastructure like crushers or concentrators?
A1 Yes industrystandard footprints inlet/outlet heights make integration straightforward Our engineering team can review your plant layout to confirm compatibility

Q2 What is the expected operational impact during installation?
A2 With our modular design major assembly is completed offsite Field installation typically requires minimal foundation work The goal is integration during scheduled plant downtime

Q3 How does particle size from a stamp mill compare to that from a jaw crusher or ball mill?
A3 A stamp mill produces a finer product than a jaw crusher but not as fine as a ball mill It is ideal as primary grinding delivering particles suitable for direct amalgamation or feeding onto shaking tables

Q4 What are the commercial terms lead time payment structure
A4 Standard terms are FOB manufacturing facility Lead times vary from stock components up to weeks Payment typically involves deposit upon order progress payment before shipment balance due before commissioning

Q5 Can you provide specific metallurgical recommendations based on our ore analysis
A5 Yes we require details such as Bond Work Index silica content abrasion index This allows us specify optimal materials like manganese steel hardness ratings maximizing component life