Used gear grinding machines for sale

Max wheel Ø	350 mm
Module -	0.5
CNC type	Siemens 840
Max. spindle speed	3000 rpm

Module +	7
CNC	Yes
Max. gear width	104 mm
Max. workpiece weight	380 kg

CNC type

Max wheel Ø	230 mm
Module -	1
CNC type	sin 840 d siemens
Max. spindle speed	6000 rpm

Module +	90.1
CNC	Yes
Max. gear width	58 mm
Engine Power	75 kW

Module +	10
CNC	Yes
Max. spindle speed	2050 rpm
Engine Power	16 kW

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

CNC type

Max wheel Ø	300 mm
Module -	0.7
CNC type	Siemens 840D solution line
Engine Power	146 kW

Module +	8
CNC	Yes
Max. spindle speed	7500 rpm

Max wheel Ø	203.2 mm
Max. spindle speed	4000 rpm
Engine Power	4.05 kW

CNC type
Max. workpiece weight	4.13 kg

Max wheel Ø	375 mm
CNC type	Siemens 840D

CNC	Yes
Max. spindle speed	18000 rpm

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	360 mm
Module -	0.5
CNC type

Module +	7
CNC	Yes
Max. gear width	175 mm

CNC type

Max wheel Ø	200 mm
Module -	1
Max. spindle speed	6000 rpm

Module +	22
CNC type

Max wheel Ø	350 mm
Module -	0.5
CNC type	REISHAUER
Max. spindle speed	2300 rpm
Engine Power	kW

Module +	7
CNC	Yes
Max. gear width	200 mm
Max. workpiece weight	30 kg

Max wheel Ø	350 mm
Module -	0.5
CNC type	REISHAUER
Max. spindle speed	2300 rpm
Engine Power	kW

Module +	7
CNC	Yes
Max. gear width	200 mm
Max. workpiece weight	30 kg

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

CNC type
Max. workpiece weight	100 kg

Max wheel Ø	330 mm
Module -	0.5
CNC type
Max. spindle speed	1900 rpm

Module +	7
CNC	Yes
Max. gear width	180 mm

Max wheel Ø	360 mm
Max. gear width	175 mm

CNC type

Max wheel Ø	300 mm
Module -	0.5
CNC type

Module +	5
CNC	No
Max. spindle speed	1900 rpm

Max wheel Ø	350 mm
Module -	0
Max. spindle speed	3000 rpm

Module +	0.57
CNC type	Siemens 840

CNC	Yes
Max. spindle speed	6000 rpm

CNC type	SIN 840 D SIEMENS

Introduction to Gear Grinding Machines

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

Types of Gear Grinding Machines

Gear grinding machines come in various types, each tailored to specific grinding processes and gear types:

Profile Grinding Machines: These machines are used for creating the exact gear tooth profile. The grinding wheel is dressed to the required shape, ensuring the final gear matches precise specifications. This type is 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, 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 are versatile and can handle complex gear geometries, making them suitable for custom and specialized gear production.
Bevel Gear Grinding Machines: Specialized for grinding bevel gears, which are used in applications requiring a change in the axis of rotation, such as automotive differentials.
Worm Gear Grinding Machines: These machines grind worm gears, which are used in applications requiring high torque and low speed.

Key Features and Specifications

When selecting a gear grinding machine, several key features and specifications should be considered:

Grinding Accuracy: The precision of the machine in producing the exact gear dimensions, usually measured in micrometers.
Automation Level: The extent to which the machine can operate autonomously, including features like automatic loading and unloading, in-process measurement, and adaptive control.
Machine Rigidity: The structural stability of the machine, which affects the quality and precision of the gear grinding process.
Control System: The sophistication of the control system, typically involving CNC for high-precision operations.
Wheel Speed and Feed Rates: The speed of the grinding wheel and the rate at which material is removed, which impact the efficiency and quality of the grinding process.
Cooling System: Essential for maintaining the temperature during grinding to prevent thermal damage to the gears.

Advantages of Gear Grinding Machines

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

Precision and Accuracy: Ensures that gears meet exact specifications, crucial for the smooth operation of machinery.
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 the lifespan of gears.
Consistency: Automated machines ensure consistent quality across large production runs.

Considerations When Buying Gear Grinding Machines

To select the right gear grinding machine for your needs, 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.

Popular Brands and Pricing

Several reputable brands manufacture gear grinding machines, known for their precision and reliability. Here are a few notable ones:

Reishauer: A leader in continuous generating gear grinding machines, known for high productivity and precision. Prices for Reishauer machines 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 for Liebherr machines 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 the production of 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 gear grinding machines for sale 73

Gleason PFAUTER G320 CNC + Promot Automation Gear grinding machine

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Reishauer Kownatzki RKZ400 Gear grinding machine

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KLINGELNBERG G27 Gear grinding machine

KAPP AST 203 Wet Type Gear grinding machine

SAMPUTENSILI S375G Gear grinding machine

HÖFLER HELIX 700 Gear grinding machine

REISHAUER RZ362A Gear grinding machine

Oerlikon Maag Opal 800 Profile gear grinding machine

KAPP AS203 Gear grinding machine

Reishauer RZ 362 A with automation

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Heckert ZFWD 160G Gear grinding machine

Reishauer RZ 301 S Gear grinding machine