Used gear grinding machines for sale

Module +	8

CNC type

CNC type

Max wheel Ø	700 mm
CNC type

Module +	14

Max wheel Ø	457 mm
CNC type

CNC	No

Max wheel Ø	320 mm
Module -	0.5
CNC type

Module +	6
CNC	No
Max. gear width	150 mm

CNC type

Max wheel Ø	350 mm
Module -	0.5
CNC type

Module +	5
CNC	No
Max. gear width	170 mm

Max wheel Ø	300 mm
Module -	5
CNC type

Module +	5
CNC	No
Max. gear width	84 mm

CNC type

Max wheel Ø	250 mm

CNC type

Max wheel Ø	300 mm
Module -	0.5
CNC type

Module +	5
CNC	No
Max. gear width	170 mm

Module +	10
CNC	Yes
Max. spindle speed	2050 rpm

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

CNC type

Max wheel Ø	60 mm
CNC	Yes
Motor power	80 kW

Module +	4
CNC type	Siemens

Max wheel Ø	700 mm
Module -	1.5
CNC type

Module +	7
CNC	No
Max. gear width	250 mm

Max wheel Ø	1200 mm
Module -	1
CNC type	- Machine control unit is Bosch CC220 (Germ

Module +	20
CNC	Yes
Max. gear width	750 mm

Max wheel Ø	300 mm
Module -	0.5
CNC type

Module +	5
CNC	No
Max. gear width	170 mm

Max wheel Ø	120 mm
CNC type
Max. spindle speed	1650 rpm

Module +	3
Max. gear width	52 mm
Motor power	12 kW

Max wheel Ø	320 mm

CNC type

Max wheel Ø	170 mm
Module -	0.5
CNC type	SIN840D

Module +	4.5
CNC	Yes

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 39

TOS SZTW280x8 Gear grinding machine

Voumard 3A Collection of machine tool enthusiasts

Niles 630 Gear grinding machine

Gleason 116 Gear grinding machine Good value

CSEPEL FKP 326-10 Gear grinding machine

Gleason Hurth ZEA-4 Gear grinding machine

Reishauer NZA

Reishauer NZA Gear grinding machine

Stankoimport 5A841 Gear grinding machine

WMW Heckert GFLV 250x1250 mm Gear grinding machine

Gear grinding machine REISHAUER NZA4

Reishauer Kownatzki RKZ400 Gear grinding machine

Hoofler 1250 Gear grinding machine

Gleason Pfauter P 200 G Gear grinding machine

Reishauer ZB Gear grinding machine

Pfauter PE1200G Gear grinding machine

Reishauer NZA Gear grinding machine

Reishauer RZP 200 Tool grinding machine

Hurth ZP 320 RB Gear grinding machine

KAPP KX160Twin Gear grinding machine