Abstract
Selecting a metallographic grinding & polishing machine relies on sample quantity, processing standards, precision demands and long-term stability. This 2026 purchasing guide centers on HST-MoPao4T single-disc automatic grinding polishing machine, introducing its structure, technical parameters, standard configuration, applicable scenes and global after-sales service, to help university labs, research institutes and manufacturing enterprises pick cost-effective Metallographic sample preparation equipment.
Key Takeaways
· Matching grinding polisher according to sample quantity, sample size and grinding-polishing process requirements
· HST-MoPao4T adopts pneumatic single-point loading, supports 4 samples simultaneous preparation, fully automatic operation
· Forward/reverse adjustable grinding disc speed, stepless speed regulation, complete water cooling anti-overheating system
· Cast aluminum base + corrosion-resistant shell, low noise, stable rotation, easy cleaning and maintenance
· One machine completes rough grinding, fine grinding, rough polishing and fine polishing full sample making process
Understanding Metallographic Grinding & Polishing Machine Ecosystem
Metallographic grinding polishing equipment mainly consists of host grinding disc, pneumatic pressing grinding head, water circulation cooling system and microprocessor control system. HST-MoPao4T is an integrated automatic sample preparation device, matching rigid cast aluminum base, stable pneumatic loading structure and intelligent touch control system, to guarantee consistent, scratch-free metallographic specimen surface.
HST-MoPao4T: Cost-Effective Single-Disc Automatic Grinding Polisher
For metallographic sample pre-processing in material research and quality inspection, stable automatic grinding polishing equipment is essential to avoid manual processing error. Developed and manufactured by HST GROUP with over 20 years material testing equipment experience, HST-MoPao4T sets new benchmark for small & medium automatic metallographic sample preparation machines.
Application & Processing Range
· Applicable samples: Metal raw material, alloy, hardware, casting metallographic specimens
· Processing flow: Rough grinding → Fine grinding → Rough polishing → Fine polishing
· Applicable scenarios: Enterprise quality inspection, university laboratory, scientific research institute
· Design complies with international metallographic sample preparation standards, no electronic proportional valve, manual pressure regulation design
Mechanical Structure & Stability Advantages
· Single disc design, optional 250/230/300mm grinding disc, fast disc replacement
· Pneumatic single-point loading, maximum 4 specimens processed at one time
· Electromagnetic grinding head automatic locking, safe operation
· Built-in water cooling circulation, timely cooling specimens and wash abrasive particles
· Cast aluminum base improves overall rigidity, low vibration & low noise during operation
· Fiberglass shell + stainless steel standard parts, anti-rust, anti-corrosion, easy to wipe clean
· Microprocessor full control, grinding disc and grinding head speed stepless adjustable
Core Technical Parameters
· Grinding disc diameter: φ250mm (φ230/φ300mm customizable)
· Grinding disc speed: 50–1000r/min stepless, 3 fixed gears 300/600/900r/min, forward/reverse switchable
· Grinding head speed: 5–150r/min stepless regulation
· Simultaneous sample quantity: 4 pcs
· Air source pressure: 0.4–0.7Mpa, loading pressure 0–0.7Mpa adjustable
· Timing range: 0–3000S
· Standard sample diameter: φ30mm (custom φ22–φ45mm)
· Power: 1.1KW, 220V/50Hz single phase
· Dimension: 550760640mm, net weight 60kg
Standard Complete Packing List
1. HST-MoPao4T grinding polishing machine ×1
2. Operation manual, product certificate, packing list ×1 each
3. Φ250 polishing cloth, metallographic sandpaper, aluminum buckle ring, grinding disc, magnetic disk, anti-stick disc, water retaining ring, dust cover, single-point clamping disc
4. Water inlet/outlet pipe, pressure resistant air tube, oil-water separator, leveling feet, power cable ×1 set
Beyond the Product: Critical Buying Factors (2026)
After-Sales Support
· Whole machine 12-month warranty
· Remote video guidance for installation, operation and daily maintenance
· Independent factory production, stable supply of spare parts and metallographic consumables
Total Cost of Ownership
· Low failure rate, simple daily maintenance
· Universal grinding disc and consumable size, low later consumable cost
· Multi-process integrated machine, no need to purchase separate grinding/polishing equipment
Model Matching & Expansion
HST-MoPao4T single-point automatic grinding polisher fits most conventional metallographic sample making demands. For mass production or large-size specimens, customized grinding disc, clamping fixture and loading pressure can be provided.
Making a Decision That Lasts
HST-MoPao4T automatic metallographic grinding polishing machine is not only sample preparation equipment, but a long-term partner for material microstructure analysis. It balances automation level, processing stability, operation cost and after-sales service, the optimal choice for laboratory metallographic sample preparation in 2026.
No matter daily batch sample inspection, university material research or third-party testing institutions, HST-MoPao4T can provide efficient, stable full-process metallographic grinding & polishing solutions.
Frequently Asked Questions (FAQ)
1. Why choose HST-MoPao4T grinding polisher?
It supports 4 samples simultaneous processing, pneumatic single-point pressure control, built-in water cooling anti-overheating, forward/reverse adjustable stepless speed, corrosion-resistant easy-clean shell, fully meet standard metallographic sample preparation requirements.
2. What samples can this machine process?
All kinds of metal metallographic specimens, covering steel, aluminum, copper, alloy, casting and hardware parts, finish all grinding and polishing procedures on one device.
3. What’s the warranty period?
The whole machine enjoys 12-month factory warranty.
4. Do you supply installation training?
Yes, we provide remote video installation guidance and online operation training to help operators master use quickly.
5. Can machine parameters be customized?
Yes, grinding disc size, sample clamping diameter and related accessories can be customized according to customer testing demands.
HST GROUP – Focus on Material Test. Contact us via WhatsApp: +86 15910081986.
