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Do you know what factors affect the price and quality of high-speed metal cutting circular saw machi

01 Apr February 2026 | LionNord

Fully automatic high-speed metal cutting circular saw machine, according to the importance of the core, introduces the key core components that determine the accuracy, speed, stability, and service life of the equipment one by one, clearly explaining the role, grade differences, and impact on production of each component:

Detailed explanation of core components of fully automatic high-speed metal circular saw machine

1、 Spindle assembly (the first core of the whole machine)

The spindle is the core component that drives the saw blade to rotate at high speed, directly determining cutting accuracy, saw blade runout, and equipment lifespan.

Core components: spindle body, precision bearings, spindle motor, saw blade flange

1. Spindle body

-(Used by LionNord factory) High end: 40Cr/42CrMo alloy steel, overall quenching and tempering+precision grinding processing, dynamic balance correction

-Low end: ordinary steel, easy to process, no dynamic balance

2. Precision bearings

-High end: Japanese NSK/German FAG angular contact precision bearings, P4/P5 level precision, high temperature resistance, low runout (used in LionNord factory)

-Low end: Domestic ordinary deep groove ball bearings have low precision and are prone to heating and damage

3. Spindle motor

-(Used in LionNord factory): Variable frequency servo spindle motor with adjustable speed and stable torque, suitable for high-speed cutting

-Low end: ordinary asynchronous motor, fixed speed, easy to lose rotation under heavy load

4. Turbine box: The factory has its own high-precision machining equipment for processing and assembly, using imported bearings with high precision and long service life

-(Used by LionNord factory) High end: carburizing and quenching+precision grinding, gear accuracy of 5-6 levels, zero clearance design, transmission efficiency>95%

-Low end: ordinary quenched and tempered gears, precision level 8-9, large clearance, high noise, easy to gear

2、 Servo feed transmission system (fully automatic precision core)

The implementation of automatic feeding, automatic feeding, and automatic retraction is the core that distinguishes fully automatic circular saw machines from manual/semi-automatic, determining the cutting length accuracy and efficiency.

**Core components: servo motor, ball screw, linear roller guide rail

1. Servo motor+driver

-Servo system, fully closed-loop control, fast response, accurate positioning

2. Ball screw

-(Used in LionNord factory) High end: Grinding grade pre tightened ball screw, repeat positioning accuracy ± 0.005mm, no gap

-Low end: ordinary rolling screw/trapezoidal screw, large gap, length error exceeding ± 0.1mm

3. Linear guide rail

(Used by LionNord factory) Domestic high-end: Nanjing process roller linear guide, strong rigidity, wear resistance, high load-bearing capacity

-Low end: ordinary linear guide rail, high friction, easy wear, long-term use accuracy decreases

3、 Clamping and feeding mechanism (core of production stability)

Responsible for automatic clamping of profiles, continuous feeding, preventing material slippage and deformation, and ensuring batch cutting consistency.

**Core components: hydraulic/pneumatic clamping cylinder, feeding clamp, floating pallet, material tail positioning device

1. Clamp the oil cylinder

-High end: servo hydraulic clamping, adjustable and constant pressure, suitable for solid rods/thin-walled tubes without clamping flat

-Low end: ordinary pneumatic clamping, large pressure fluctuations, easy to loosen materials and damage workpieces

2. Automatic feeding clamp

-High end: servo driven clamp, adaptable to multiple specifications of profiles, no deviation in feeding

-Low end: Mechanical chain/belt feeding, easy to slip, large length error

3. Material rack

-High end: Floating material support, suitable for long materials, preventing sagging and deformation (used by LionNord factory)

-Low end: Fixed material support, long material cutting is prone to eccentricity

4、 Hydraulic/Pneumatic Power Unit (Fully Automatic Power Source)

Providing stable power for clamping, feeding, and pressing is the foundation of fully automatic continuous operation.

Core components: hydraulic pump station, servo hydraulic valve, pneumatic triple component, voltage stabilization system

-High end: servo variable hydraulic pump, precise pressure control, energy-saving, and no fluctuation

5、 Numerical Control System (Fully Automated Brain)

Realize the full process automation of automatic feeding, automatic clamping, automatic cutting, automatic counting, and automatic material dropping.

**Core components: Industrial PLC, touch screen, grating ruler, program control system

PLC+high-definition touch screen, built-in cutting parameter library, supports full closed-loop compensation of grating ruler, fault diagnosis, and batch program storage

6、 Cooling, lubrication and filtration system (core of saw blade life)

Cooling the saw blade, lubricating the cutting surface, and filtering iron filings directly determine the service life and cutting quality of the saw blade.

**Core components: Cooling water pump, multi-stage filter, atomizing cooling nozzle, cutting fluid tank

-High end: high-pressure spray cooling+precision magnetic filtration/paper filtration, precise cooling, waste liquid recycling

-Low end: open spray+simple filter screen, uneven cooling, iron filings easily scratch saw blades

7、 Bed frame (precision basic component)

The load-bearing foundation of the equipment is resistant to vibration and deformation, ensuring long-term accuracy and stability.

-High end: High strength cast iron integral casting+artificial aging treatment, extremely strong rigidity, minimal vibration

-Low end: ordinary steel plate welding, no aging treatment, long-term use is prone to deformation and accuracy drift

Summary: The core component lineup that determines price and quality

1. Top core: spindle assembly, servo feed system, CNC system

2. Key core: clamping hydraulic system, TCT hard alloy saw blade, gearbox

3. Basic core: cooling system, bed, guide screw