Yugong LKH45-6 Marble Wire Saw Machine
The Yugong LKH45-6 is a Chinese quarry wire saw for Marble quarry mining, with main motor 45kW / total power 49kW, 0–40 m/s, max quarry depth 10–20m.
LKH45-6 Seven-Dimension Rating
Ratings are based on official specifications, third-party field tests and engineer interviews, covering efficiency, accuracy, wire-break control, material compatibility, intelligence, energy saving and labor dependency.
- Cutting Efficiency 7.5
- Cutting Accuracy 6.8
- Wire Break Control 6.8
- Material Compatibility 7.8
- Intelligence 6.5
- Energy Saving 7.2
- Labor Dependency 7.0
LKH45-6 Specs & Parameters
| Parameter | Value |
|---|---|
| Wire Speed Range | 0–40 m/s |
| Main Motor Power | Main motor 45kW / installed power 49kW |
| Control System | PLC / manualwithautomatic |
| Work Envelope | max quarry depth 10–20m |
| Machine Weight | 2600kg |
| Dimensions | 185×120×130 cm |
| Reference Price Range | Reference price on request |
LKH45-6 Editorial Review
Product Positioning: Yugong LKH45-6 for Quarry Operations
The Yugong LKH45-6 is a quarry wire saw for large-area horizontal/vertical cutting, block splitting and profiling in open-pit quarries.
Unlike squaring or demolition wire saws, quarry machines emphasize reliability, efficiency and durability in dusty, vibrating, continuous-duty environments.
Key Specs
Main motor power is main motor 45kW / total power 49kW, wire speed is 0–40 m/s, cutting depth/work envelope is max quarry depth 10–20m and machine weight is 2600kg.
Quarry work typically requires large cutting coverage and sustained power. Insufficient power lowers hard-rock cutting efficiency and shortens wire life; insufficient weight can reduce stability on uneven terrain.
Cutting Performance and Material Compatibility
Key seven-dimension scores: efficiency 7.5, wire-break control 6.8 and material compatibility 7.8.
For natural stones such as granite and marble, the LKH45-6's material compatibility depends on wire-speed range and tensioning response. A higher wire-break score indicates better suitability for long continuous runs.
Who It Suits: Stone Quarries and Pit Operators
The LKH45-6 suits stone quarries that need large-area block splitting, bench mining or profiling.
For complex mountain quarries with frequent relocation, modularity and serviceability matter as much as output. For fixed-face large pits, shift output and energy consumption are more important.
Four Pre-Purchase Reminders
- Match the machine to quarry conditions: rock hardness, working-face space, electric/diesel power supply and whether horizontal/vertical cutting is needed.
- Request a full technical datasheet: traction force, tension force, wire-speed range and protection ratings are often not published on official sites.
- Evaluate relocation and maintenance convenience: open-pit environments wear guide wheels, seals and diamond wire quickly; confirm spare-part supply and local service.
- Calculate energy and total cost of ownership: quarry machines often run continuously, so electricity/fuel and consumables strongly affect operating cost.
LKH45-6 Pros & Cons
Pros
- 45kW main motor improves cutting efficiency
- 800mm flywheel with up to 100m wire length
- Purpose-built for quarry operations with horizontal/vertical large-area cutting
Cons
- Cutting precision and axis count not published
- Energy consumption and parts cost rise with power
LKH45-6 Comparison
Compare LKH45-6 with other models in the same category to help you choose based on application and budget.
| Dimension | LKH45-6 This Model |
vs | LKH22-6 |
|---|---|---|---|
|
Power
Main motor power
|
Main motor 45kW / installed power 49kWBaseline
|
vs |
Main motor 22kW / installed power 26kWWorse
|
|
Wire Speed
Wire speed / bead diameter
|
0–40 m/sBaseline
|
vs |
0–35 m/sWorse
|
|
Work Envelope
Maximum work envelope
|
max quarry depth 10–20mBaseline
|
vs |
max quarry depth 10–20mEqual
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
2600kgBaseline
|
vs |
1500kgWorse
|
|
Dimensions
Length × width × height
|
185×120×130 cmBaseline
|
vs |
156×110×126 cmWorse
|
|
Control
CNC system and software
|
PLC / manualwithautomaticBaseline
|
vs |
PLC / manualwithautomatic
|
| Dimension | LKH45-6 This Model |
vs | LKH37-6 |
|---|---|---|---|
|
Power
Main motor power
|
Main motor 45kW / installed power 49kWBaseline
|
vs |
Main motor 37kW / installed power 41kWWorse
|
|
Wire Speed
Wire speed / bead diameter
|
0–40 m/sBaseline
|
vs |
0–40 m/sEqual
|
|
Work Envelope
Maximum work envelope
|
max quarry depth 10–20mBaseline
|
vs |
max quarry depth 10–20mEqual
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
2600kgBaseline
|
vs |
2400kgWorse
|
|
Dimensions
Length × width × height
|
185×120×130 cmBaseline
|
vs |
185×120×130 cmEqual
|
|
Control
CNC system and software
|
PLC / manualwithautomaticBaseline
|
vs |
PLC / manualwithautomatic
|
| Dimension | LKH45-6 This Model |
vs | LKH55-6 |
|---|---|---|---|
|
Power
Main motor power
|
Main motor 45kW / installed power 49kWBaseline
|
vs |
Main motor 55kW / installed power 59kWBetter
|
|
Wire Speed
Wire speed / bead diameter
|
0–40 m/sBaseline
|
vs |
0–40 m/sEqual
|
|
Work Envelope
Maximum work envelope
|
max quarry depth 10–20mBaseline
|
vs |
max quarry depth 10–20mEqual
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
2600kgBaseline
|
vs |
3300kgBetter
|
|
Dimensions
Length × width × height
|
185×120×130 cmBaseline
|
vs |
200×130×135 cmBetter
|
|
Control
CNC system and software
|
PLC / manualwithautomaticBaseline
|
vs |
PLC / manualwithautomatic
|
| Dimension | LKH45-6 This Model |
vs | LKH75-6 |
|---|---|---|---|
|
Power
Main motor power
|
Main motor 45kW / installed power 49kWBaseline
|
vs |
Main motor 75kW / installed power 79kWBetter
|
|
Wire Speed
Wire speed / bead diameter
|
0–40 m/sBaseline
|
vs |
0–40 m/sEqual
|
|
Work Envelope
Maximum work envelope
|
max quarry depth 10–20mBaseline
|
vs |
max quarry depth 10–20mEqual
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
2600kgBaseline
|
vs |
3800kgBetter
|
|
Dimensions
Length × width × height
|
185×120×130 cmBaseline
|
vs |
215×140×136 cmBetter
|
|
Control
CNC system and software
|
PLC / manualwithautomaticBaseline
|
vs |
PLC / manualwithautomatic
|
| Dimension | LKH45-6 This Model |
vs | LKH22-8 |
|---|---|---|---|
|
Power
Main motor power
|
Main motor 45kW / installed power 49kWBaseline
|
vs |
Main motor 22kW / installed power 26kWWorse
|
|
Wire Speed
Wire speed / bead diameter
|
0–40 m/sBaseline
|
vs |
0–35 m/sWorse
|
|
Work Envelope
Maximum work envelope
|
max quarry depth 10–20mBaseline
|
vs |
max quarry depth 10–20mEqual
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
2600kgBaseline
|
vs |
1500kgWorse
|
|
Dimensions
Length × width × height
|
185×120×130 cmBaseline
|
vs |
156×110×126 cmWorse
|
|
Control
CNC system and software
|
PLC / manualwithautomaticBaseline
|
vs |
PLC withcontrol / manualwithautomatic
|
| Dimension | LKH45-6 This Model |
vs | LKH37-8 |
|---|---|---|---|
|
Power
Main motor power
|
Main motor 45kW / installed power 49kWBaseline
|
vs |
Main motor 37kW / installed power 41kWWorse
|
|
Wire Speed
Wire speed / bead diameter
|
0–40 m/sBaseline
|
vs |
0–40 m/sEqual
|
|
Work Envelope
Maximum work envelope
|
max quarry depth 10–20mBaseline
|
vs |
max quarry depth 10–20mEqual
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
2600kgBaseline
|
vs |
2400kgWorse
|
|
Dimensions
Length × width × height
|
185×120×130 cmBaseline
|
vs |
185×120×130 cmEqual
|
|
Control
CNC system and software
|
PLC / manualwithautomaticBaseline
|
vs |
PLC withcontrol / manualwithautomatic
|
About Yugong
Founded in 2005 and headquartered in Zhengzhou, Henan, China, Henan Yugong Machinery is a large-scale comprehensive engineering machinery manufacturer integrating R&D, production, and sales. Its portfolio covers eight major series and over 100 products including road, bridge, tunnel, piling, concrete, drilling, mining, and cutting machinery; wire saw machines are a sub-category of its cutting/mining equipment. Yugong operates its own factories with 500+ employees and ISO/SGS certifications, exporting to 100+ countries and regions. Its wire saw lines cover quarry marble/granite/power-saving wire saws, crawler wire saws, and demolition hydraulic/electric wire saws, offering strong value, though its specialization depth in wire saws is lower than dedicated vertical manufacturers.
LKH45-6 Buyer FAQ
The LKH45-6 suits open-pit quarries for natural stones such as marble and granite, handling large-area horizontal/vertical cutting, block splitting and profiling.
For bench mining and large block splitting, choose a machine with large cutting coverage and ample power. For complex mountain quarries, prioritize modularity and serviceability.
Hard-granite capability depends on main motor power, wire-speed range and tensioning response. Machines with ample power and a wide adjustable speed range are more adaptable.
Request case studies on the same material and confirm diamond-wire selection and recommended process parameters.
In quarry conditions, diamond wire, guide wheels, bearings and seals are the main consumables. Rock hardness, cut length and wire speed directly affect wire life.
When purchasing, ask the manufacturer for diamond-wire life estimates and annual consumable budgets under typical working conditions.
Electric machines have lower operating costs and less noise but need stable three-phase power, suiting fixed faces. Diesel machines are more mobile, ideal for off-grid or frequently relocated quarries.
Choose based on site power supply, relocation frequency and long-term fuel costs.
Relocation convenience depends on main unit weight, modularity and rail/chassis design. Lighter, quick-disassembly designs suit complex terrain but may trade off some stability.
Evaluate quarry roads, lifting conditions and typical relocation distances before purchasing.
Reducing wire breaks requires matching wire speed, tension and feed rate, plus regular inspection of guide wheels, bearings and diamond-wire wear.
Also ensure the cooling/lubrication system works properly to avoid dry cutting or local overheating that shortens wire life.
LKH45-6 Buying Recommendation
The Yugong LKH45-6 is a well-positioned Chinese quarry wire saw with an overall rating of 7.1/10.
It suits Marble quarry mining scenarios, with brand backing and structural maturity as key strengths. However, some core specifications are not fully published, so request a full datasheet from an authorized Yugong distributor and confirm service coverage, spare-part supply and site-installation conditions. If budget is tight or higher automation is required, evaluate comparable domestic models and CNC options side by side.
Need more selection advice?
Explore the full wire saw rankings and filter by application, budget and brand to find the right machine for your factory.