Content

  1. How do the machines work?
  2. Apparatus types
  3. Where could I buy
  4. Rating of quality grinding machines for 2022

Rating of the best grinding machines for 2022

Rating of the best grinding machines for 2022

In our review you will find a description of the best grinding machines. We will provide recommendations on which company to buy a product, how to choose the right one, consider the best manufacturers, popular models, determine their characteristics, and orient by price.

How do the machines work?

Grinding removes some of the material from the workpiece in order to shape it according to your needs. Processing takes place using an abrasive wheel consisting of quartz grains, silicon carbide, carborundum.

In fact, grinding is an operation that requires certain tolerances, a high class of accuracy, complex measurements (longitudinal or angular), observance of geometric dimensions (concentricity, parallelism, perpendicularity). Also grinding is intended for surface finishing, removal of roughness, scratches.

Apparatus types

There are many types of grinding equipment available. Here we will look at what it is like, define the criteria necessary when choosing the functionality you need, list tips that will draw attention to errors that may occur during the purchase, which is not unimportant for the effective implementation of any project you have conceived.

1. Surface grinding

Thanks to the simple design of such a machine, consisting of a longitudinal carriage, it is very easy to operate it. Depending on the position of the abrasive element, two types of products are distinguished:

  • In devices with a vertical mounting of the grinding wheel on the spindle, the workpiece moves in a straight line, adhering tightly to the abrasive. Such machines are usually used for rough machining of planes, although individual models can achieve high precision.
  • The active element of the tangential apparatus rotates horizontally, works along the edge of the workpiece, moves in a circular, pendulum stroke. Such machines are used, as a rule, for high-tech processing of bell-shaped, inclined, mating surfaces, grooves, for performing complex profile-, internal grinding operations.

Such equipment can be used in conjunction with other, turning, milling. Workpieces are positioned using a magnetic pressure plate, moved manually or mechanically.The product is equipped with a pump for automatic recirculation and application of coolant to parts.

Scope of use:

  • stamps;
  • guides;
  • plates;
  • ordinary or piston rings;
  • Press forms;
  • pins;
  • tool profiles.

The dimensions of the blanks can vary from 40-80 cm to 6 meters. The machine can work with a high degree of reliability on metal, wood, it is possible to install brushing brushes.

2. Cylindrical grinding

These machines can work with workpieces of various shapes, however, the part must have a central axis of rotation: a cylinder, cone, ellipse, cam or crankshaft. We distinguish several subtypes of aggregates:

  • On a two-drum machine, the part rotates synchronously with the abrasive.
  • The size of the workpiece processed by the internal grinder is always smaller than the width of the circle.
  • Centerless grinders work with small-sized, cylindrical products, their scope, bolts or pins. The mechanism consists of two circles that rotate in the same direction, a workpiece is placed between them, without a clamp (hence the mechanism is called "centerless"), which rotates in the opposite direction to the abrasive. The driving wheel is inclined at a certain angle, from 1 to 5 degrees, depending on the hardness, size of the material to be processed.

3. Universal

One of the best machines with excellent performance. On these machines, you can grind at home the outer, inner surfaces of camshafts, crankshafts, cylinders, cones, liners.

The longitudinal carriage, which is part of the design of the unit, provides translational movement of the workpiece, and the hydraulic mechanism gives the wheel the opposite rotation.The characteristic of the processed products determines the speed of the shaft with the help of regulators.

4. Special

These machines are used for parts with complex mechanical geometries that cannot rotate on their own. A vertical spindle (sometimes called planetary) is built into their design, in addition to rotation, it performs circular movement.

Machines are used for processing gears, their profiles, threads, rolling cylinders, bed guides, brake shoes, splines, bearings, turbine blades, aircraft landing gear.

The grinding wheel has many different shapes, grain sizes, and meets international standards.

5. With CNC system

Technological progress has led to the emergence of numerically controlled products on the market, for example, grinding and calibrating. Such machines are used both in large-scale production and in small enterprises, they will help make your project a success, they have a number of advantages over conventional ones:

  • unification of workpiece processing (top, front, bottom) on one machine;
  • full automation, minimal operator intervention;
  • the dimensions of the unit allow grinding large parts;
  • magnetic clips;
  • improved performance, accuracy;
  • with the function of turning on servo motors for each axis, which allows you to effectively position the part;
  • automatic control of the condition of the wheels;
  • the possibility of programming Cartesian coordinates;
  • air purification system from chips, dust.

After studying this review, you yourself will be able to rank the popularity of models. Decide which equipment is better to buy for effective work.

Where could I buy

You can buy inexpensive, low-cost novelties in electrical equipment stores, managers will orient you at an average price, tell you how much this or that product costs, and provide step-by-step instructions for working on machines of this type. You can also order them online, in the online store, with a guarantee of fast delivery.

Rating of quality grinding machines for 2022

This list of circular grinding, combined aggregates is based on real reviews, it takes into account the opinions of customers who have purchased this product.

Combined

Such machines can work with workpieces using an abrasive belt or circle.

Record Power BDS150-EP

The BDS150-EP combined woodworking machine has a 5-seat position and is suitable for placement in a small, medium-sized production hall or a tool shop. The design of the unit provides grinding by a tape, a disk. A level is integrated into the design, which regulates the installation of the most important angles.

The product does not require high-tech maintenance, has a compact size, which is useful when space is limited.

The tape effectively works with flat parts, and the disk successfully copes with irregularities on the ends or protruding parts of the workpiece;

Technical indicators:

OptionsCharacteristics
Manufacturing firm Great Britain
Rotational speed 2850 rpm
R-r circle 0.152 m
Table size 0.225*0.158 m
Power consumption 0.4 kW
output power 0.25 kW
Dimensions, m 0.36*0.44*0.245
The weight 19 kg
Tape size 1.01 m
grinding machine Record Power BDS150-EP
Advantages:
  • the versatility of the machine allows you to combine grinding methods;
  • the ability to change the slope of the working area expands the functionality of the equipment;
  • with the help of a special protractor provided for by the design of the product, you can control the angle relative to the circle;
  • ease of use.
Flaws:
  • not detected.

Einhell TC-US 400

The Einhell stationary machine, used for working with wood, plastic in medium-sized workshops, takes 4th place. An important advantage of the TC-US 400 is its safety, the tape is securely fastened, so the operator performing the task on the equipment can feel confident.

The case, which covers the inner part of the mechanism from dust, grinding waste, is protected by an anti-corrosion coating. The equipment is resistant to vibrations, mechanical damage.
Technical indicators:

OptionsCharacteristics
Voltage 220 V.
Max. power 375 W/30 min. continuous work
The weight 15.5 kg.
Processing material wood, plastic
Circle speed 1450 rpm
Belt speed 276 m/min.
Disk size 150 mm.
Tape length 0.915 m
Tape width 0.1 mm.
Substrate +
Dimensions, m 0.523*0.320*0.249
grinding machine Einhell TC-US 400
Advantages:
  • increased accuracy;
  • the marking on the protractor is easy to read, so the part is positioned at the right angle;
  • wide functionality;
  • simple control;
  • vibration immunity due to damping pads;
  • increased security;
  • wear resistance;
  • reliable isolation of electrical contacts;
  • ease of maintenance;
  • guarantee period.
Flaws:
  • no visible flaws found

ZUBR ZSHS-330

3rd place was won by a functional apparatus that performs various types of work. Its design provides for the presence of a grinding wheel, a belt that can easily cope with any workpiece.

A switch with an electromagnet will prevent accidental start during a power surge. The part can be fed at an arbitrary angle, which allows you to work in any plane. A vacuum cleaner can be connected to the device, which will effectively remove dust and keep the workplace clean.

In general, the ZSHS-330 is a reliable, versatile machine, easily customizable for various types of processing, thanks to Velcro fasteners. Mobile, productive, wear-resistant - it will certainly be a reliable assistant for many years.

Technical indicators:

OptionsCharacteristics
Machine type plate-belt
Purpose wood
Power 330 W
Voltage 220 V
Circle size, m 0.125
Circle speed 2950 rpm
Revolutions (rpm) 2950
Belt speed 810 m/min
Guarantee 60 months
grinding machine BISON ZSHS-330
Advantages:
  • high efficiency;
  • due to the size of the circle, increased processing area;
  • nozzle for a vacuum cleaner;
  • working area size 178×126 mm, tilt angle up to 45°;
  • valve for pulling the tape;
  • vibration resistance.
Flaws:
  • not detected

Record Power BDS150

2nd place at the tape-disk machine BDS150, which is a useful addition for workshops. By changing the speed of rotation of the belt, disk, increasing the pressure on the workpiece, you can achieve good quality processing, molding of the part.

Record Power is a compact machine equipped with an asynchronous motor for quiet operation and a cast iron base for stability.

The kit includes an inclined table, which improves the processing of bevels, ledges. It is used for horizontal and vertical grinding.

Technical indicators:

OptionsCharacteristics
Rotational speed 2850 rpm
R-r circle 0.152 m
Working area solution 0.225x0.158 m
Power consumption 0.4 kW
output power 0.25 kW
Dimensions, m 0.36*0.44*0.245
The weight 19 kg
grinding machine Record Power BDS150
Advantages:
  • stable bed;
  • high performance;
  • tilt table included.
Flaws:
  • not detected.

PROMA BPK-2100/400

1st place is occupied by a universal device, which is a professional product for grinding metal parts (pipes and profiles). If you increase the belt speed from 23.5 to 47 m/s, the power of the device increases from 2.5 to 3.3 kW.

The stable base protects the internal mechanism from damage. The design is equipped with a tape 10 cm wide.
Technical indicators:

OptionsCharacteristics
Rotation modules 1 PC
work item ribbon
Mains voltage 380 V
Engine power 3300 W
sharpening Universal
Tape length 2 m
Tape width 0.1 m
Rotational speed 2840 m/min / 1410/2840 m/min /
Rotation speed adjustment +
Stand/cabinet +
The weight 159 kg
grinding machine PROMA BPK-2100/400
Advantages:
  • you can install additional rollers;
  • the ends of the blanks are processed at an angle of 30 - 90 °, 0 - 60 °;
  • performance;
  • wear resistance;
  • build quality;
  • the transparent screen protects the operator from sparks, dust;
  • the design assumes easy change of a tape;
  • the possibility of grinding small workpieces;
  • convenient management;
  • clear key labels;
  • the emphasis provides an opportunity to reliably position the part;
  • the equipment can be anchored to the workbench, providing stability.
Flaws:
  • not detected.

Cylindrical grinding

These machines work with workpieces that must have a central axis of rotation: cylinder, cone, ellipse, cam or crankshaft.

3L141VF2

5th place - at the machine 3L120VF2, a series of these models gained popularity back in the USSR, established itself as high-level equipment. A distinctive feature of the machine is the accuracy in positioning the workpiece during operation. The design of 3L141VF2 incorporates new technological ideas of engineers - machine builders, increasing the productivity of all elements of the apparatus: headstock, ball screw, PU system.

The product of the universal type 3L141VF2 is used for processing:

  • internal parts of cylindrical blanks;
  • external elements of conical surfaces;
  • ends.

The part can be mounted in cam chucks, collets, centers, on a faceplate, as well as in other ways. The accuracy class of the machine corresponds to GOST 8-82.The equipment is suitable for placement in areas with a cold, temperate climate, according to the UHL4 standard, GOST 15150.

Numerical control, created by Delta Electronics, has a logic controller.

Technical indicators:

OptionsCharacteristics
Distance between centers, m 0.75
The largest processing solution, m 0.32
The largest mass of the installed part, kg 50
Type of 1
Dimensions (GOST R 52781), m 0.4x0.4x0.203
Rotation frequency, rpm 1720
Maximum cutting speed, m/s 45
Headstock grinding:
Installation angle, hail. 90
Speed ​​of movement of the grinding grandma, m/min 2.5
Infeed stroke, m 0.15
Minimum feed, mm 0.001
Grandma front:
Rotation frequency, rpm 30-300
Morse taper size, No. 4
Quill travel, m 0.023
Table travel speed, m/min 0,1-3,5
Minimum feed, mm 0.001
Rotation angle, degrees ±6
Size of the smallest hole, m 0.013
Depth of smallest hole no more than 3 diameters
Size of the largest opening, m 0.08
Depth of the largest hole, m 0.125
Machine net weight, kg 3100
Dimensions (LxWxH), m 3.510x1.65x 1.4
Permissible deviation from roundness when processing in the centers, microns 1.6
Constancy of diameter in longitudinal section, microns 6
The roughness of the outer surface when processing in the centers, microns 0.16
grinding machine 3L141VF2
Advantages:
  • the presence of a kinematic chain in the design;
  • it is possible to move the desktop in a reciprocating direction;
  • conical parts are finished manually on a turntable;
Flaws:
  • high cost of equipment.

3L10SF2

The machine, which occupies the 4th place in our list, is used for grinding the internal, external cylindrical, end, conical parts of workpieces. Parts are fixed, motionless, in collets or a three-jaw clamp. 3L10VSF2 will be more effective in a factory engaged in piece, small-scale production.

The model has a programmable controller, a touch interface, two servos and a converter from Delta Electronics.
Technical indicators:

OptionsCharacteristics
The largest size of the installed product, m0.01
The largest size of the sanded outer surface, m0.01
The largest size of the hole to be ground, m0.040
The greatest length of the installed product, not less than, m0.22
The greatest length of grinding of external surfaces, m0.2
The greatest length of the hole to be ground, m (with a hole diameter of more than 20 mm and a frequency of rotation of the internal grinding spindle of 40,000 rpm.)0.05
The largest mass of the installed product, kg6
Center height above table, m0.08
Dimensions without attachments (length x width x height), m1.47x1.5x1.8
Dimensions with attached equipment (length x width x height), m1.47x1.9x1.8
Machine weight without attachments, kg1550
Machine weight with attached equipment, kg1850
The greatest movement of the table, m0.23
Table automatic movement speed, m/min (stepless regulation)0,01…1
The smallest automatic table travel at minimum speed, mm1
The largest angle of rotation of the upper table, degrees:
Clockwise6
Counterclock-wise7
Manual movement of the table in one revolution of the handwheel (electronic handwheel)0,1; 1,0; 10,0
The value of the rapid approach and withdrawal of the grinding headstock, m0.015
The largest angle of rotation of the sled of the grinding headstock, degrees:
Clockwise30
Counterclock-wise30
Grinding wheel solutions according to GOST R 52781-2007, m0.25x0.02x0.076
The greatest wear of the circle on the radius, m0.04
Spindle end diameter according to GOST, m0.032
Spindle speed, rpm2690
Circumferential speed of the grinding wheel, m/s35
Movement of the grinding head per one turn of the handwheel (electronic handwheel), mm / diameter0,1; 1,0
Movement of the grinding headstock by one division of the flywheel (electronic handwheel), mm / diameter0,001; 0,01
Infeed feed speed, mm/min (stepless regulation) mm/turn of the product0,001…0,01
Automatic periodic giving (at the moment of a table reverse). mm/stroke0,001…0,01
Grandmother of the product:
Product rotation frequency, rpm100…1000
Spindle bore taper according to GOST 25557-82Morse 3
The largest angle of rotation of the headstock of the product, degrees:
To the grinding wheel90
From the circle30
Quill travel, m0.015
Quill hole cone according to GOST SEV 174-75Morse 2
Internal grinding spindle:
Spindle speed, rpm40000…96000
Geometric accuracy of the machine:
Straightness of the trajectory of the table in the horizontal plane, microns2
Radial runout of the headstock spindle hole, µm2.5
Roundness when processing in the centers, microns0.4
Roundness when machining in a chuck, µm0.6
Constancy of diameter in longitudinal section, microns1
End surface flatness, µm3
Surface roughness Ra, µm:
Cylindrical outer 0,04
Cylindrical inner0,04
flat end0,16
grinding machine 3L10SF2
Advantages:
  • intuitive control system;
  • automatic mode of longitudinal, plunge grinding.
Flaws:
  • not detected.

3L142

3rd place for a model that performs all-round machining of cones, cylinders, as well as flat flanges.

The equipment is adapted for operation in cold climatic zones, according to the UHL4 standard, GOST 15150. The part can be attached to the machine using a faceplate or a cartridge.

The unit will be effective in any workshop, but for large-scale production it is better to look for more powerful equipment.

The DVP-SA2 CNC controller manufactured by Delta Electronics is integrated with a touch panel from the DOP-B line.

Technical indicators:

OptionsCharacteristics
The largest R-r of the installed product, m0.4
The greatest length of the installed product, m1
Center height above table, m0.24
The largest mass of the installed product, kg:
When the quill is not clamped200
in cartridge32
In a chuck with a steady rest150
Headstock grinding:
A circle GOST r 52781-2007
type of1
External solution, m0.6
Inner diameter, m0.305
Height, m0.063
Spindle speed of the grinding headstock, rpm1590
The largest angle of rotation of the grinding headstock, degrees±30
Grinding hole diameter, m
least0.03
greatest0.2
The greatest length of the ground hole, m0.125
Product rotation frequency (adjustable steplessly), rpm30...300
The largest angle of rotation of the headstock, degrees
Clockwise30
Counterclock-wise90
The largest angle of rotation of the upper table, degrees:
Clockwise3
Counterclock-wise6
Overall dimensions of the machine, m:
length5
width2.5
height2.22
Machine weight with electrical equipment, hydraulic unit, lubrication station, cooling unit and accessories, kg7900
grinding machine 3L142
Advantages:
  • kinematic chains;
  • all spindles are spinning;
  • the table, like all moving parts of the machine, can be positioned manually or hydraulically;
Flaws:
  • not enough capacity for mass production.

3D4230

On the 2nd place there is a machine used for processing connecting rod, main journals of the crankshaft. The equipment is made in accordance with the regulations UHL4.2, GOST 15150.

3D4230 is used for grinding:

  • cylindrical parts,
  • conical surfaces with an angle of not more than 3°30'.

The workpiece is fastened with the help of cartridges, or "centers". The equipment has an accuracy level of "B", according to GOST 8-82, in addition, equipment with a class "A" can be ordered.

Technical indicators:

OptionsCharacteristics
The largest dimensions of the workpiece to be installed, m.0.58
Rotation diameter length, m
in the centers1.6
In cartridges1.45
Grinding diameter, m.:
Largest without lunette0.2
Largest with lunette0.1102
Smallest with lunette0.025
Smallest taper surface (at the tailstock)0.05
The largest crank radius of the crankshaft to be ground, m 0.11
The largest angle of adjustment of the position of the crankshaft with clamped cartridges, deg.2
The largest mass of the installed workpiece, kg160
The height of the centers above the table, m0.3
The greatest displacements, m.:
Table (manually and hydraulically) of the grinding headstock 1.6
By screw0.175
Tailstock quills0.035
Speed ​​of movement of a table from a hydraulic drive, m/min.0,2...5
Spindle speed of the grinding headstock at idle, rpm. (permissible deviation - 10%740
Workpiece rotation frequency (adjustable in steps), rpm30;60;85;174
Grinding wheel size, m.:
R-r outer0.9
R-r internal0.305
height0.063
Circumferential speed of the grinding wheel, m/s no more35
Infeed value per diameter, not less than (including all feeds)unlimited
Overall dimensions of the machine (at the extreme position of the moving parts), m .:
long5.6
width2.6
Height (without lamp), m1.9
Machine weight, kg7500
grinding machine 3D4230
Advantages:
  • kinematic chains;
  • you can twist the workpiece, abrasive;
  • position the grinding headstock in a position convenient for processing;
  • table with hydraulic drive;
  • the quill moves along the axis of the tailstock;
  • clamps move vertically.
Flaws:
  • high price.

Spitzen SOG-2040

The 1st place is deservedly occupied by an apparatus that allows for high-precision processing of workpieces in the form of cones, cylinders (shaft, bushing, axis, flange, cover).

The design of the machine involves the supply of parts manually, hydraulic or servo, depending on the model of the unit. Due to the movable headstock, the workpiece is ground from all sides, and its accuracy complies with European regulations.

The equipment is produced in several versions:

  • the displacement of the table in the longitudinal direction is carried out by hydraulics, and the transverse movement of the headstock is carried out manually;
  • all elements of the apparatus are controlled by CNC, in automatic mode;
  • machine with numerical control, servo drives.

Technical indicators:

OptionsCharacteristics
Rotating workpiece diameter above the table, m.0.2
Distance between centers, m.0.4
Maximum grinding diameter, m.0.16
Maximum workpiece weight in centers, kg60
Minimum movement of the grinding headstock, mm0.001
Grinding wheel size, m. 0.305 x 0.038 x 0.127
Angle of rotation of the headstock, °-30 ~ +90
Front speed, rpm10 - 600
Table rotation angle, °10
Grinding wheel drive power, kW2.2
Drive power 0.37 (inverter)
Length, m.2.370
Width, m.1.45
Height, m.1.73
Machine weight, kg2000
grinding machine Spitzen SOG-2040
Advantages:
  • magnetic filter;
  • spare wheel with flange;
  • adjustable 2-point, 3-point fixed steady rests;
  • abrasive dressing device;
  • lighting of the working area;
  • tank with hydraulic pump;
  • carbide centers.
Flaws:
  • except for the price, there are no visible flaws.

All machines presented in the review are time-tested, they have shown themselves only from the best side. We hope that our information will help you in starting a successful project.

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