I. Construction Demand Analysis (Selection Basis)
1. Project Scale and Scenarios
- Large Projects (Shopping Malls/Airports): Use 30-50kW planetary multi-head grinders, equipped with automatic leveling systems, with a daily processing capacity of 800-1200㎡
- Small Projects (Home Improvement/Shops): Recommend 5-10kW handheld polishers, weighing ≤15kg, supporting fine processing of corners
2. Material Property Adaptation
- Ordinary Terrazzo: Choose a diamond grinding head (mesh count 30-3000), use a metal matrix for the rough grinding stage, and a resin matrix for fine grinding
- Epoxy Terrazzo: Requires variable frequency speed regulation function (200-2000rpm) to avoid carbonization of the resin layer due to high temperature
II. Core Performance Parameters (Technical Decision Points)
1. Grinding Efficiency and Precision
- Grinding Width: Preferred 500mm wide equipment, reducing construction joints (such as the Italian Klindex RX-550 model)
- Precision control: The error of the laser positioning system must be ≤0.5mm/m, and equipped with a dust collection module with a dust recovery rate of ≥95%
2. Power system comparison
| Type | Power range | Applicable scenarios | Energy consumption comparison |
| Diesel power | 20-75kW | No-electricity construction site | Cost +40% |
| Electric motor | 10-50kW | Indoor/stable power supply site | Energy efficiency class A |
| Lithium battery power | 5-15kW | Small and fine work | Endurance 4-6 hours |
III. Equipment type and function expansion
1. Basic type
- Single-head grinder (such as HTC 420): cost 30,000-50,000 yuan, suitable for projects below 1,000 square meters, grinding speed 0.5-2m/min
2. Professional type
- Three-head planetary equipment (such as ASL 750 T): equipped with 7 types of grinding heads to automatically switch, realizing the whole process of coarse grinding → fine grinding → polishing
- Intelligent model: integrated BIM data interface, which can synchronize construction progress and ground flatness data
3. Special function module
- Crystallization treatment component: increase Mohs hardness to level 6-7, and the anti-slip coefficient reaches R10 standard
- Nano coating module: polishing and synchronous spraying of silica protective layer to reduce the frequency of later maintenance
IV. Brand service and procurement suggestions
1. Supplier screening criteria
- Prioritize CE/ISO 9001 certified brands, and require a 12-month core component warranty
- Verification case: Check the construction records of large projects such as airports/hospitals to confirm that the equipment has a continuous operating capacity of ≥8 hours
2. Cost control strategy
- Leasing plan: Short-term projects recommend monthly rental mode (about 8-12% of the equipment price), including consumables and technical support
- Consumables compatibility: Choose a universal grinding disc interface to reduce the cost of later replacement (such as 3M diamond grinding discs are compatible with most models)
V. Construction process adaptation suggestions
1. Grinding stage selection
| Construction stage | Recommended mesh | Equipment power requirements |
| Rough grinding | 30-150 mesh | ≥20kW |
| Fine grinding | 200-800 mesh | 10-15kW |
| Fine polishing | 1500-3000 mesh | 5-10kW variable frequency model |
2. Acceptance standard reference
- Flatness: 2m ruler measurement gap ≤2mm
- Gloss: ≥85GU (detected using BYK gloss meter)
