variable speed sturm angle grinder

angle grinder (angle grinder) Sturm 125 mm 1100 W AG9514E

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Angle grinder Sturm 125mm, 1100 W AG9514E

Angle grinder Sturm! The AG9514E is an easy-to-learn, easy-to-use consumer-grade tool.
Designed for cleaning, cutting, grinding surfaces and metal products and other materials.

In thin section. car Sturm! AG9514E is equipped with a 1100 W motor. Uses 125 mm discs.
The wheel rotation speed varies in the range of 4000-11000 rpm, set using the wheel regulator.
The gearbox housing is made of metal, which improves heat transfer and prevents premature failure of components and mechanisms due to overheating.

For better controllability and comfort in work, the main handle is made of elongated soft plastic, which contributes to a good grip and reduces the harmful effects of vibration on the user’s hands.
Motor overload protection system and bonded stator and rotor windings increase tool life.
There is a switch lock button, which provides convenience during long-term operation.

Features:
Hardened Helical Gears
Reinforced gear housing made of magnesium alloy
Armored stator and rotor winding
Extra long soft plastic handle
Motor overload protection system

Tool type Household

Disc diameter 125 mm

Variable Speed For Angle Grinder And Other Power Tools

Voltage, V 220 V

Power 1100 W

Housing Soft plastic

Swivel rear handle NO

Number of positions of the front handle 2

variable, speed, sturm, angle

Speed ​​control Yes

Speed ​​4000-11000 rpm

Soft start NO

Quick access to brushes Yes

Packing Cardboard box

Net weight, kg 2.1 kg

Protective cover. 1 PC. Side handle 1pc. Wrench 1pc. Carbon brush-2pcs.

Warranty, month 24

Buy angle grinder Sturm AG9514E with discount:

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angle grinder Sturm AG9512P angle grinder, 125 mm / pro / Speed ​​control / 3-year warranty

Tool type Professional
Disc diameter 125 mm
Voltage, V 230 V
Power consumption 1000 watts
Swivel rear handle Not
Number of positions of the front handle 3
Speed ​​control there is
Speed 4000-11000 rpm
Smooth start there is
Quick access to brushes there is
Bore diameter 22 mm
Packaging Cardboard box
Dimensions in packing 400x140x120 mm
Net weight, kg 2.2 kg
Equipment Nuts for fastening the disc, a set of brushes, an additional handle, a wrench, a protective cover.
Warranty, month 36

Angle grinder Sturm AG9512P. Compact yet powerful, easy-to-use, professional-grade tool. The Sturm AG9512P angle grinder is equipped with a 1000 W motor. Circles and discs with a diameter of 125 mm are used. Designed for cutting, cleaning, grinding surfaces and products from metal and other materials. The wheel rotation speed is regulated in the range of 4000-11000 rpm, in contrast to similar models from other manufacturers, constant power is maintained at low speeds. To increase the reliability and increase the tool life, electronic soft start and speed control systems are installed. The mechanism uses NSK bearings (Japan), the gear housing is made of metal to improve heat transfer. Carbon brushes automatically shut off at a certain degree of wear, providing easy access to the brush assembly for replacement. An additional removable handle can be installed in one of three positions, but due to its compactness and low weight, one-handed operation is available.

Features:

  • Smooth start;
  • Three-position additional handle;
  • Electronic speed control;
  • Spindle lock;
  • Switch fixing;
  • New extended warranty: 36 months;

Equipment:

  • Angle grinder Sturm AG9512P;
  • Side handle. 1 PC.;
  • Protective cover. 1 PC.;
  • Additional set of brushes. 2 pcs.;
  • User’s manual. 1 PC.;

angle grinder (angle grinder) with speed control

  • FIXTEC keyless nut. work safety and quick change of equipment

Power: 1300 W

Disc diameter: 125mm

Speed: 2800-11500 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Maximum safety: double insulation and protection against accidental starting

Power: 1300 W

Disc diameter: 125mm

Speed: 2800-11500 rpm

Maintaining constant speed under load: yes

variable, speed, sturm, angle

Soft start: yes

  • Automatic safety clutch Metabo S-automatic. for safety

Power: 1550 W

Disc diameter: 125mm

Speed: 2800-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Best-seller! Long service life thanks to self-shutting off brushes

Power: 1500 W

Disc diameter: 125mm

Speed: 2800-10000 rpm

Maintaining constant speed under load: no

Soft start: yes

Power: 1300 W

Disc diameter: 150mm

Speed: 3000-9500 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1200 W

Disc diameter: 125mm

Speed: 3000-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Super Joint System improves performance and safety

Power: 1200 W

Disc diameter: 125mm

Speed: 2800-12000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • For heavy loads: SJS jerk protection and speed control

Power: 1400 W

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Disc diameter: 125mm

Speed: 2800-12000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Vibration Control on the handle dampens up to 40% vibrations

Power: 1700 W

Disc diameter: 125mm

Speed: 2800-11500 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • The Kick Back Stop system will instantly stop the engine if the rig is jammed

Power: 1200 W

Disc diameter: 125mm

Speed: 2800-11500 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Save time on tool changes – no wrench required

Power: 1300 W

Disc diameter: 125mm

Speed: 2800-11500 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • MetaboMarathon motor – overload capacity 20% higher than normal

Power: 1700 W

Disc diameter: 125mm

Speed: 2800-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Slim handle fits perfectly in the hand – comfortable to work with

Power: 950 W

Disc diameter: 125mm

Speed: 0-11000 rpm

  • Engine speed control – for work with different materials

Power: 1250 W

Disc diameter: 125mm

Speed: 3000-12000 rpm

Maintaining constant speed under load: no

Soft start: no

Power: 1100 W

Disc diameter: 125mm

Speed: 3000-11000 rpm

Maintaining constant speed under load: no

Soft start: no

Power: 900 W

Disc diameter: 125mm

Speed: 2800-9000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Long service life of the motor due to automatic shutdown of the brushes

Power: 1400 W

Disc diameter: 125mm

Speed: 2800-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1400 W

Disc diameter: 125mm

Speed: 3000-9500 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 900 W

Disc diameter: 125mm

Speed: 0-11000 rpm

Maintaining constant speed under load: no

Soft start: no

  • Smooth start-up and overheating protection extend engine life

Power: 1520 W

Disc diameter: 125mm

Speed: 2600-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1100 W

Disc diameter: 125mm

Speed: 4000-10000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Variable Speed Grinders – How to extend their life

  • Aluminum-magnesium gearbox is resistant to damage and dissipates heat well

Power: 950 W

Disc diameter: 125mm

Speed: 3000-11000 rpm

Maintaining constant speed under load: no

Soft start: yes

Power: 900 W

Disc diameter: 125mm

Speed: 0-11000 rpm

Maintaining constant speed under load: no

Soft start: no

Power: 950 W

Disc diameter: 125mm

Speed: 0-11000 rpm

Maintaining constant speed under load: no

Soft start: no

Power: 1200W

Disc diameter: 125mm

Speed: 3000-12000 rpm

Maintaining constant speed under load: no

Soft start: no

Power: 750 W

Disc diameter: 125mm

Speed: 3000-12000 rpm

Power: 860 W

Disc diameter: 125mm

Speed: 6000-11000 rpm

Maintaining constant speed under load: no

Soft start: no

  • Additional handle with anti-vibration system for safe working

Power: 1750 W

Disc diameter: 125mm

Speed: 2800-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • VTC technology – operation at a constant speed even under load

Power: 1500 W

Disc diameter: 125mm

Speed: 3500-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • Maximum safety thanks to the Metabo S-automatic overload clutch

Power: 1550 W

Disc diameter: 125mm

Speed: 2800-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 900 W

Disc diameter: 125mm

Speed: 2800-9000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1400 W

Disc diameter: 125mm

Speed: 2000 – 6800 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1200 W

Disc diameter: 150mm

Speed: 3000-9000 rpm

Maintaining constant speed under load: no

Soft start: no

  • Constant electronics maintains RPM under load

Power: 1700 W

Disc diameter: 125mm

Speed: 2200-10500 rpm

Maintaining constant speed under load: yes

Soft start: yes

  • KickBack Stop system – turning off the tool when the disc is jammed

Power: 1800 W

Disc diameter: 125mm

Speed: 2800-12000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 900 W

Disc diameter: 125mm

Speed: 3000-11000 rpm

Maintaining constant speed under load: no

Power: 1200W

Disc diameter: 125mm

Speed: 6000-12000 rpm

Maintaining constant speed under load: no

Soft start: no

  • Long service life thanks to armored winding

Power: 850 W

Disc diameter: 125mm

Speed: 2800-11000 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1750 W

Disc diameter: 125mm

Speed: 2000 – 7600 rpm

Maintaining constant speed under load: yes

Soft start: yes

Power: 1500 W

Disc diameter: 150mm

Speed: 2400-8400 rpm

Maintaining constant speed under load: yes

Soft start: no

angle grinder with speed control – a tool with the function of setting a certain number of revolutions of the grinding, cutting or polishing wheel to select the optimal rotational speed for a specific material.

When to use the variable speed angle grinder

The main purpose is the processing of various materials. You need to grind metal at 2000 – 3000 rpm, cut stone at about 6000 rpm, for metal cutting, you need to set it from 7000 to 10,000 rpm. Wood is sanded at a minimum speed – from 2000 to 4000, depending on its density. If you try to work with wood at 6000 rpm, the part will turn black and the attachments will become unusable. But for cutting a bolt 15 mm in diameter, it will take already 8000 rpm.

Parameters for selection of angle grinder with speed control

  • Rotation adjustment range – primarily depends on the maximum diameter of the nozzle. The smaller the disc, the faster it spins. For angle grinders 115 and 125 mm with adjustable speed, this parameter ranges from 2800 to 10,000 – 12,000 rpm. The 150 mm disc angle grinder has a narrow range from 2300 to 9000 rpm. Most of the angle grinder with a 180 mm disc can change the number of revolutions from 3000 to 8000 rpm.
  • Power – household angle grinder with adjustable speed of not more than 1200 W can work with discs of 115 – 125 mm. Perfect for work no more than 30 – 40 minutes a day: cut metal, wood, plastic parts up to about 50 – 60 mm thick, depending on the diameter of the body of the angle grinder itself. Professional models are most often used with discs of large diameters (150, 180, 200 mm) and work for 4 – 6 hours without interruption with a high power of 2000 – 3000 W. By the way, the price for such a tool is an order of magnitude higher than for household.
  • The soft start system will increase labor safety, especially if the maximum speed is set, and will allow you to start work accurately. The constant speed function is important when machining hard materials so that productivity does not drop when the disc hits the material..
Read more:  How to Remove a Bearing from an Angle Grinder

PATRIOT AG 122

  • Electric motor power – 860 W.
  • Disk rotation speed – up to 11000 rpm.
  • Disc diameter – up to 125 mm.
  • Weight – 2.3 kg.

The power of the angle grinder is sufficient for most jobs. Low noise level. Ergonomic. Cons: too heavy and not suitable for long-term operation for several hours.

variable, speed, sturm, angle

Features of the device. Differences between models

The angle grinder (angle grinder) appeared in the middle of the 20th century and quickly became an important tool for manual metalworking. Its advantages:

  • Versatility: the tool allows you to cut, clean and polish.
  • Increased processing speed compared to hand tools and machine tools – this applies to small amounts of work.
  • Ease of maintenance – no adjustment of the angle grinder is required, and its maintenance consists in periodic cleaning, blowing from dust.
  • Small size allows the angle grinder to be carried around the work area.

But there are also negative aspects:

  • Large parts and structures are difficult to handle.
  • 220 Volt network required. However, cordless angle grinder is available.
  • Failure to follow safety precautions can easily cause injury..

The angle grinder is an electric motor that transmits torque through a gearbox to the main shaft with locking nuts. Circles are clamped in them: cutting, cleaning, polishing.

Standard sizes:

A type

Diameters: external / holes for installation, in mm

It is recommended to purchase models with a soft start – this option increases the resource of the motor. After pressing the button, the engine does not immediately reach operating speed, but with a slight delay – that is, it unwinds smoothly.

Adjusting the speed of the electric motor expands the scope of the angle grinder – the tool can be used for grinding and polishing surfaces. These operations are carried out at reduced speed..

Bort BWS-950

  • Electric motor power – 900 W.
  • Disk rotation speed – up to 12000 rpm.
  • Disc diameter – up to 125 mm.
  • Weight – 1.8 kg.

The main difference between the power tool is the smooth operation of the engine. Reliable and not very expensive angle grinder. Suitable for home or summer cottage.

LEPSE MSHU-2-230

  • Electric motor power – 2000 W.
  • Disk rotation speed – up to 6600 rpm.
  • Disc diameter – up to 230 mm.
  • Weight – 5.5 kg.

Powerful and reliable angle grinder for home, garage and summer cottages. However, poor ergonomics and excessive weight make this instrument less attractive..

Sturm! AG95141P

  • Electric motor power – 1100 W.
  • Disk rotation speed – up to 11000 rpm.
  • Disc diameter – up to 125 mm.
  • Weight – 2.5 kg.

Powerful, reliable, budget angle grinder. Cons: not very convenient Start button.

Most craftsmen recognize the decisive factors when choosing an angle grinder:

  • Convenience of working with the tool.

AEG WS 13-125 XE

  • Electric motor power – 1300 W.
  • Disk rotation speed – up to 11 thousand rpm.
  • Disc diameter – up to 125 mm.
  • Weight – 2.5 kg.

Convenient quick-release nut allows for quick wheel change. The angle grinder itself fits perfectly in the hand. There is overload protection. The only negative is that the cable becomes rigid in the cold..

Choosing a smooth start angle grinder: highlights

Before buying a power tool, it is recommended to clearly determine what scope of work will be performed with its help:

  • Daily use for several hours a day.
  • Periodic work: several times a week for 2-3 hours.
  • The tool is needed for home use – as needed.

In the first case, you should pay attention to models for professional use: these are powerful (more than 2-2.5 kW) and ergonomic angle grinder with smooth start, speed regulator. But the cost of such an angle grinder will be high.

For periodic work, it is enough to purchase an average power machine – about 2 kW. If the work will be performed with thin or soft metals and alloys, then 1.5 kW will be enough.

For use at home, in the garage or in the country, it is better to get a small 900-1000 W angle grinder. This is enough for most jobs: car repairs or small metal structures..

Before buying a power tool, it is recommended that you pay attention to important little things.

  • Cord length – Power cables that are too short will make your work uncomfortable. Even with a portable extension cord at hand.
  • Handle – For long-term work, choose an angle grinder with a vibration-absorbing handle. This will reduce fatigue during work..
  • Model type (for right-handed or left-handed people) – a number of manufacturers produce an angle grinder that can be convenient for left-handed people – with a non-standard position of the handles.
  • Protection fastening – the casing is fastened either by bolts to the body or by latches, which allows you to quickly change its position. The rigid mount will force you to unscrew and tighten the screws every time.
  • Type of brushes – carbon elements can pass through the body, then they are changed without removing the plastic parts of the angle grinder, in 2 minutes. If the brushes are inside the angle grinder, you will have to disassemble the tool..
  • Clamping nut – there are ordinary ones, which are wrapped with a pin wrench, and there are quick-clamping nuts – they are tightened by hand.
Read more:  How to remove paint from wood with an angle grinder

You should also pay attention to whether there is a manufacturer’s service center near the place of residence. This is important if a professional tool is purchased, it may eventually require replacement of parts..

Possible date of occurrence

With proper maintenance and careful handling, your angle grinder will last much longer. The table shows the statistics of service workshops

Angle grinder Sturm AG9012TE

A new addition to the Sturm range of angle grinders. model AG9012TE. The angle grinder is equipped with a 1,100 W electric motor, which rotates between 4,000 and 10,000 rpm. For work, a disc with a diameter of 125 mm is used. The disc is covered with a special protective casing, which ensures maximum safety for the operator during work. The angle grinder is equipped with a spindle lock button for quick wheel change and has a convenient 2-position additional handle. The presence of a speed controller will help to set the optimal operating mode for a specific task. Sturm AG9012TE also has a switch button fixation, for convenience during long-term operation.

Features:

  • Speed ​​control. optimal settings for working with different materials;
  • Constant electronics. maintaining a constant speed regardless of the load;
  • Spindle lock key. for quick replacement of equipment;
  • Special high performance motor. for work in intensive mode;
  • Smooth start;
  • Inclusion latch. for the convenience of long-term work;
  • Rubberized thin handle, twists on the left and right sides;
  • New extended warranty: 24 months.

Overview:

Equipment:

  • Angle grinder AG9012TE – 1pc.
  • Protective cover – 1 piece.
  • Side handle. 1 piece.
  • Wrench 1 pc.
  • User’s manual. 1 PC.

Documentation:

  • User’s manual;

Rating: Bad Good

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Brush sander Titan PSM13120

Why the lower limit is not lowered to the minimum?

The variable speed angle grinder gives you more options for grinding and polishing, but not cutting. Deep scratches are not removed at high speeds. The fur coat or foam pad attached to the rubber support-sole will be torn off, the rubber platform will start to smoke, the polish will fly off the rig. Traces of burning will remain on the wooden blank, and the plastic will soften and melt.
The impact with felt, foam rubber, wool, sisal or polymer-abrasive wheels is performed at low, but different speeds and the wider the speed range on the angle grinder, the more possibilities for processing.

However, the cooling system of the electric motor of the angle grinder depends on its rotation and at low speeds, the motor, especially under high load, quickly overheats..
For professional models of most manufacturers: AEG WS12-125 XE, Makita 9562CRV, Flex LE 14-11 125, the lower limit is 2800 rpm. On a household tool, you can find 1000 rpm, like the Titan PSUM11125E. The operation of such an angle grinder requires more attention from the user and periodic activation at maximum idle speed to increase the flow of cooling air..

angle grinder 125 mm Sturm AG9012TL

125mm Sturm AG9012TE angle grinder with speed control

Most powerful angle grinder.

The thinner the disc, the faster the workpiece is divided into parts and less motor power is required. The lightest but lightest angle grinder is often chosen for cutting. The power of small angle grinders can be 720 watts, like Titan BSUM7125, and large 2000 watts, like Einhell TE-AG 230/2000

The requirements for angle grinders for grinding are very different. 6mm sharpening wheels are heavier and require additional watts to unwind. When peeling, many locksmiths increase the pressure, trying to remove a larger layer from the surface in one pass and crush the engine. It is more difficult for a low-power motor to rotate during pressing and it overheats faster..
When cutting workpieces, friction occurs at the end of the disc (1-3 mm), and when grinding, the angle grinder is tilted and the contact width of the cleaning disc is several centimeters.

When choosing a powerful large angle grinder for roughing parts, like Dnipro-M MShK-2700 (2700 watts) or Titan BSUM26230 (2600 watts), the weight requirement fades into the background. Grinding is carried out under the own weight of the tool, and not on the weight, only by controlling the trajectory of the tooling and slightly pressing.
Among the small angle grinders, the leaders in power are: Forte EG 14-125L with 1400 watts, Makita GA5021C with 1450 watts, Svityaz SKSH 15-125 DR with 1500 watts.

angle grinder 125 mm with speed control and case Vitals Master Ls12110BRvc power

Small angle grinder 125 mm Energomash angle grinder-9012PM