Used Grinding Machine For Sale on Kitmondo.com – Machine Tools Classifieds

Max wheel Ø	230 mm
Module -	1
CNC type	sin 840 d siemens

Module +	90.1
CNC	Yes
Max. gear width	58 mm

Max wheel Ø	820 mm
Module -	0.5
CNC type	Reishauer

Module +	8
CNC	Yes
Max. workpiece weight	300 kg

Max wheel Ø	280 mm
Module -	1
CNC type	LIEBHERR

Module +	5
CNC	Yes
Max. gear width	330 mm

Max wheel Ø	1200 mm
CNC type	SIEMENS 840D
Max. workpiece weight	10000 kg

CNC	Yes
Max. spindle speed	6000 rpm
Engine Power	24 kW

Max wheel Ø	230 mm
CNC type	sin 840 d siemens
Max. spindle speed	6000 rpm

CNC	Yes
Max. gear width	58 mm
Engine Power	75 kW

CNC	Yes
Max. spindle speed	10000 rpm

CNC type	5 EJES

Max wheel Ø	350 mm
Module -	0.5
CNC type	REISHAUER

Module +	7
CNC	Yes
Max. gear width	200 mm

Max wheel Ø	350 mm
Module -	0.5
CNC type	REISHAUER

Module +	7
CNC	Yes
Max. gear width	200 mm

Max wheel Ø	360 mm
Module -	0.5
CNC type

Module +	7
CNC	Yes
Max. gear width	175 mm

Max wheel Ø	1500 mm
Module -	1.25
CNC type	Siemens

Module +	25
CNC	Yes

Max wheel Ø	400 mm
CNC type	BVO 900
Max. workpiece weight	500 kg

CNC	Yes
Max. spindle speed	4000 rpm
Engine Power	15 kW

Max wheel Ø	820 mm
Module -	0.5
CNC type

Module +	8
CNC	Yes
Max. spindle speed	2150 rpm

CNC type

CNC type

Max. spindle speed	2700 rpm

Max wheel Ø	400 mm
Module -	0.3
CNC type	Siemens 840D

Module +	8
CNC	Yes
Max. gear width	250 mm

Max wheel Ø	360 mm
Max. gear width	175 mm

CNC type

CNC	No
Max. spindle speed	2000 rpm
Engine Power	20 kW

CNC type
Max. workpiece weight	100 kg

Max wheel Ø	630 mm
Module -	1
CNC type

Module +	11
CNC	No
Max. gear width	127 mm

Module +	10
CNC	Yes
Max. spindle speed	2050 rpm

Module -	1
CNC type	NC pult
Max. workpiece weight	500 kg

Max wheel Ø	350 mm
Module -	50
Engine Power	14 kW

Module +	1
CNC type

Gear Grinding Machines: Essential Tools for Precision Engineering

Gear grinding machines are crucial in the metalworking industry, designed specifically to create high-precision gears for various mechanical applications. These machines ensure that gears meet exact specifications regarding size, shape, and surface finish, which is vital for the smooth operation of machinery in industries such as automotive, aerospace, manufacturing, and heavy equipment.

Varieties of Gear Grinding Machines

Different gear grinding machines cater to various grinding processes and gear types:

Profile Grinding Machines

These machines are used to create the precise gear tooth profile. The grinding wheel is dressed to the required shape, ensuring the final gear matches exact specifications. Profile grinding machines are ideal for producing high-precision gears.

Continuous Generating Grinding Machines

Designed for high production efficiency, these machines use a threaded grinding wheel to continuously grind the gear teeth, making them suitable for medium to large batch production.

CNC Gear Grinding Machines

Equipped with computer numerical control (CNC), these machines offer high precision and automation. They can handle complex gear geometries, making them suitable for custom and specialized gear production.

Bevel Gear Grinding Machines

These machines specialize in grinding bevel gears, which are used in applications requiring a change in the axis of rotation, such as automotive differentials.

Worm Gear Grinding Machines

Worm gear grinding machines are used for grinding worm gears, which are essential for applications requiring high torque and low speed.

Key Features and Specifications

When selecting a gear grinding machine, consider the following features and specifications:

Grinding Accuracy

The precision with which the machine produces the exact gear dimensions, usually measured in micrometers.

Automation Level

The extent to which the machine operates autonomously, including features like automatic loading and unloading, in-process measurement, and adaptive control.

Machine Rigidity

The structural stability of the machine, which impacts the quality and precision of the gear grinding process.

Control System

Typically involving CNC, the control system's sophistication is crucial for high-precision operations.

Wheel Speed and Feed Rates

The speed of the grinding wheel and the rate at which material is removed affect the efficiency and quality of the grinding process.

Cooling System

Essential for maintaining temperature during grinding to prevent thermal damage to the gears.

Benefits of Gear Grinding Machines

Investing in high-quality gear grinding machines offers numerous benefits:

Precision and Accuracy: Ensures gears meet exact specifications, crucial for smooth machinery operation.
Efficiency: Modern gear grinding machines are highly efficient, reducing production times and costs.
Versatility: Capable of producing a wide range of gear types and sizes, accommodating diverse industrial needs.
Quality Surface Finish: Provides superior surface finishes, reducing wear and increasing gear lifespan.
Consistency: Automated machines ensure consistent quality across large production runs.

Considerations for Purchasing Gear Grinding Machines

To select the right gear grinding machine, consider the following factors:

Production Volume

Determine the volume of gears to be produced to choose a machine with suitable capacity and speed.

Gear Types and Sizes

Ensure the machine can handle the specific types and sizes of gears you need to produce.

Precision Requirements

Match the machine’s precision capabilities with your quality standards.

Budget

Balance the initial investment with long-term operational costs, including maintenance and consumables.

Service and Support

Consider the availability of technical support and maintenance services for the machine.

Training

Assess the need for operator training to effectively use the machine’s advanced features.

Leading Brands and Pricing

Several reputable brands manufacture gear grinding machines, known for their precision and reliability:

Reishauer: A leader in continuous generating gear grinding machines, known for high productivity and precision. Prices typically range from $200,000 to over $1 million, depending on the model and specifications.
Gleason: Specializes in bevel gear grinding machines and offers a range of other gear grinding solutions. Gleason machines are priced between $250,000 and $1.5 million.
Klingelnberg: Renowned for both bevel and cylindrical gear grinding machines, Klingelnberg offers high-precision solutions with prices generally ranging from $300,000 to $1.2 million.
Liebherr: Provides a variety of gear grinding machines, including profile and continuous generating grinding types. Prices typically range from $200,000 to $1 million.
Samputensili: Offers innovative gear grinding machines with advanced technology for high precision. Samputensili machines are priced between $250,000 and $1 million.

Conclusion

Gear grinding machines are essential tools in producing high-precision gears required for various industrial applications. The choice of machine type—whether profile, continuous generating, CNC, bevel, or worm gear grinding—depends on the specific needs of the production process. Key factors to consider include grinding accuracy, automation level, machine rigidity, control systems, and cooling systems. Leading brands like Reishauer, Gleason, Klingelnberg, Liebherr, and Samputensili offer a range of high-quality gear grinding machines, with prices reflecting the advanced technology and precision they provide. By carefully evaluating production volume, gear types, precision requirements, and budget, businesses can ensure they invest in the right gear grinding machine to enhance their manufacturing capabilities and ensure consistent, high-quality gear production.

Used Grinding Machine For Sale on Kitmondo.com – Machine Tools Classifieds 54