Order Code	Product Name
L-01-03-M01	Ro-Tap Sieve Shaker for Mining Laboratory Particle Size Analysis

Ro-Tap Sieve Shaker for Mining Laboratory Particle Size Analysis

Brief Introduction

The Ro-Tap Sieve Shaker is an industrial-grade vibratory screening device designed for precise particle size classification of dry and wet bulk materials in professional laboratory and industrial environments. Based on standardized mechanical vibration and tapping principles, the equipment provides consistent and repeatable sieving performance for mineral and granular material sample preparation.

Featuring adjustable vibration frequency, vertical amplitude regulation, and programmable timing functions, this sieve shaker enables flexible adjustment for different material properties and particle grading requirements. Supporting 200mm and 300mm standard test sieves with multi-layer stacking capability, it improves testing accuracy and workflow standardization in mining, metallurgical, and geological laboratories.

Application Scope

The Ro-Tap Sieve Shaker is widely used for particle size analysis and standardized sample preparation in mining, metallurgy, geology, coal processing, chemical engineering, and material research applications.

In mineral laboratory workflows, it is applied for screening raw ore, crushed mineral samples, and coal materials, providing reliable particle grading data for routine mineral analysis, metallurgical performance testing, and hydrometallurgical experimental research.

Accurate particle classification supports ore testing parameter evaluation, material quality inspection, and laboratory research procedures. The equipment is also suitable for particle size testing of abrasives, cement, and construction materials, meeting quality control and R&D requirements for mining enterprises, testing institutions, and industrial laboratories.

Features

Flexible Sieve Compatibility

The Ro-Tap Sieve Shaker supports both 200mm and 300mm standard test sieves, providing flexible configuration options for different laboratory screening workflows and improving equipment adaptability.

Adjustable Screening Parameters

With adjustable vibration frequency and 5–8mm vertical amplitude regulation, the equipment allows parameter adjustment according to mineral hardness, particle density, and grading requirements, helping achieve effective material separation and consistent classification results.

Programmable Automatic Operation

The 0–60 minutes programmable timer supports automated sieving operation, reducing manual intervention and improving batch testing consistency and laboratory processing efficiency.

Heavy-Duty Structural Design

Built with a robust steel frame and stable industrial motor system, the sieve shaker supports a maximum 400mm sieve stack height for multi-layer simultaneous grading. The stable structure helps reduce vibration deviation during long-cycle operation.

Reliable Laboratory Performance

The standardized industrial power configuration and low-maintenance mechanical structure provide stable operation for continuous laboratory and industrial screening applications while helping reduce routine maintenance requirements.

Specification

Standard Sieve Diameter	200mm / 300mm
Default Shaking Frequency	221 times/min
Adjustable Vibration Frequency	147 times/min
Voltage	380V, 50Hz
Motor Power	0.37kW
Motor RPM	1400 rpm
Max. Stack Height	400mm
Vertical Amplitude	5–8mm (adjustable)
Timer Range	0–60 minutes
Overall Dimensions	550 × 400 × 800 mm
Net Weight	120 kg

Other Specification for Option

Optional Sieve Diameter	200mm
Oscillations per Minute	290 times/min
Taps per Minute	156 times/min
Max. Height	400mm
Vertical Amplitude	38±6mm
Max Tier	7 layers
Voltage	380V/50Hz
Power	0.55kW

Why Choose FKN PANDA

FKN PANDA Ro-Tap Sieve Shaker provides standardized particle size screening solutions for global mining and metallurgical laboratories. Its adjustable vibration parameters and programmable operation system support consistent particle classification results, improving testing reliability for mineral analysis and metallurgical experimental workflows.

With dual standard sieve compatibility and optional working parameters, the equipment adapts to different mineral sample preparation and industrial inspection requirements. The heavy-duty construction, stable motor transmission, and multi-layer screening capability support long-term batch operation while improving laboratory productivity.

Combining durable mechanical design, flexible parameter adjustment, and efficient operation, FKN PANDA Ro-Tap Sieve Shaker offers a reliable particle testing solution for mining enterprises, research institutions, and international laboratory equipment distributors.

Ro-Tap Sieve Shaker – FAQ

Q1. How to select a Ro-Tap sieve shaker for mineral particle size analysis?

Selecting a Ro-Tap sieve shaker for a mining laboratory requires consideration of the testing objectives, sample characteristics, expected workload, and integration with existing laboratory procedures. Key factors include the types of mineral samples being analyzed, required particle size ranges, sieve specifications, and the repeatability requirements of the laboratory. For mineral processing, metallurgical testing, and QA/QC workflows, the equipment should support consistent sample preparation and particle size classification. Proper selection helps laboratories obtain reliable size distribution data for downstream evaluation, including flotation studies, gravity separation tests, and comminution performance assessment.

Q2. How does tapping motion improve sieving accuracy for mineral samples?

The tapping motion of a Ro-Tap sieve shaker provides a combined mechanical action that assists particle movement through stacked sieves and improves separation efficiency compared with manual screening methods. In mining laboratories, this controlled motion helps reduce operator variation during particle size analysis of crushed ores, concentrates, and other mineral samples. More consistent sieving conditions support reliable size distribution data, which is important for evaluating grinding performance, liberation characteristics, and mineral processing behavior. The actual results depend on sample properties, sieve selection, and operating procedures.

Q3. How to select appropriate sieve mesh sizes for metallurgical testing?

Sieve mesh selection should be based on the purpose of the mineral testing program, sample characteristics, and the particle size information required for process evaluation. In metallurgical laboratories, sieve combinations are commonly selected according to the crushing and grinding stage being studied, such as comminution assessment, flotation feed preparation, or gravity separation analysis. Proper sieve selection helps generate meaningful particle size distribution data and supports process decisions. Laboratories should consider ore hardness, mineral composition, expected size range, and analytical requirements when establishing sieve analysis procedures.

Q4. What factors affect repeatability in sieve analysis using Ro-Tap systems?

Repeatability in Ro-Tap sieve analysis depends on multiple factors, including sample preparation consistency, sample mass, sieve condition, mesh selection, stacking arrangement, and operating parameters. For mining and metallurgical laboratories, maintaining standardized testing procedures is essential to reduce variation between batches and operators. Regular inspection of sieve cleanliness and wear condition also supports reliable results. When integrated into a mineral testing workflow, consistent sieve analysis provides dependable particle size information for evaluating ore preparation, beneficiation performance, and laboratory-scale process studies.

Q5. How to prevent sieve blinding when processing fine or moist samples?

Sieve blinding can reduce screening efficiency by blocking openings with fine particles or moisture-related agglomerates. To minimize this issue, laboratories should evaluate sample drying requirements, particle characteristics, sieve selection, and cleaning procedures before testing. In mineral laboratories, proper sample preparation is important because moisture content and particle shape can significantly influence screening behavior. Regular cleaning and inspection of sieve surfaces help maintain accurate particle size analysis results, supporting reliable data collection for mineral processing research and metallurgical evaluation.

Q6. How does sieve analysis support mineral processing and metallurgical workflows?

Sieve analysis is an important quality control and evaluation step within the mining laboratory workflow, connecting sample preparation with mineral testing and process decision-making. Particle size distribution data generated from sieve testing helps engineers assess crushing and grinding performance, evaluate liberation conditions, and understand the behavior of materials in flotation, gravity separation, and other beneficiation processes. A Ro-Tap sieve shaker provides a standardized approach for laboratory screening, helping technical teams compare test results and optimize processing parameters based on measured particle size characteristics.

Q7. How to ensure compliance with ASTM or ISO particle size testing requirements?

To support ASTM or ISO-based particle size testing procedures, laboratories should establish controlled operating methods covering sample preparation, sieve specifications, testing duration, cleaning practices, and result recording. A Ro-Tap sieve shaker can be incorporated into standardized laboratory procedures where consistent mechanical screening conditions are required. Compliance depends not only on the equipment but also on proper method selection, suitable sieves, operator training, and quality control practices. These factors help laboratories maintain traceable and repeatable particle size analysis results for mineral testing applications.

Q8. What maintenance is required for long-term sieving accuracy?

Long-term sieving accuracy depends on regular equipment inspection, proper cleaning, and monitoring of key components such as sieve assemblies and mechanical parts. Mining laboratories should establish maintenance routines based on operating frequency and sample conditions. Removing residual particles between tests, checking sieve integrity, and verifying stable operation help prevent errors in particle size analysis. For continuous laboratory operation, preventive maintenance supports reliable testing performance and reduces interruptions during mineral characterization, metallurgical research, and routine QA/QC programs.

Q9. How to improve consistency across multiple sieving batches?

Improving batch-to-batch consistency requires standardized procedures throughout the entire testing process, including sample preparation, sieve selection, sample loading, operating time, and result evaluation. In mining laboratories, consistent methods allow engineers to compare data from different ore samples, exploration projects, or processing studies. A Ro-Tap sieve shaker supports repeatable mechanical screening conditions, but reliable results also depend on proper laboratory practices. Establishing documented procedures helps maintain data quality during routine mineral analysis and long-term metallurgical testing programs.

Q10. When should a laboratory upgrade its sieve analysis equipment?

A laboratory may consider upgrading its sieve analysis equipment when testing requirements increase, existing equipment no longer meets workflow demands, or higher consistency is required for advanced mineral evaluation. Expansion projects, increased sample volumes, new mineral testing programs, or replacement of aging equipment are common reasons for reviewing laboratory capabilities. Before upgrading, laboratories should assess current and future testing needs, including particle size ranges, sample throughput, quality control requirements, and compatibility with existing mineral processing workflows.

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