If you are in the market for a good lathe, you may have difficulty deciding between the Powermatic 3520b and the vs 3520c. They have some obvious similarities that make it difficult to choose one! After a close comparison, some differences might help you decide.
One of them is where the tailstock and headstock are attached. Both lathes use ball-bearing slides with an adjustable stop system (which is especially helpful if someone else ever needs to operate this machine). One model is designed so that there is no loss of movement at any point when properly adjusted – making turning a single square infinitely more efficient than before. With the other model, the parts must be adjusted separately each time the tool is changed.
Overview of the Powermatic 3520b
The Powermatic 3520b is a lathe ideal for amateurs and professionals. It comes with thick-walled iron castings that make it durable. It weighs up to 682 lbs. You do not feel vibrations when it is in operation. The 20-inch swing and 34 ½ inch space center capacity allow you to work on large applications efficiently. The 18-inch extension kit is applicable when there is a need for more spindle capacity.
It is mounted to extend the bed rails. It comes with a 2hp 220 Volt motor that is fan cooled. The lathe motor is powerful enough to withstand the speed variance of the 3520b. The front-mounted tension levers and the access door make it a tool-free lathe. The two-speed phases include a speed variance of 50-1,200 and 125-3,200 rotations per minute. The motor controls are at the front of the powerhead.
They are easily accessible. The toggle switch is meant to forward and reverses the motion. The speed control dial gives you rotations per minute in different speed ranges. The LED display gives you the speed rate of the moment. Your preferred speed depends on your material. The On/Off switch activates and deactivates the lathe machine. You use a brass-tipped hammer rod for accessories that use the #2 Morse taper in the spindle. The tailstock is of heavy iron casting.
- Powerful motor
- Dependable engine
- Exceptional torque
- Ideal for large-scale applications.
- It is durable and very stable
- Exceptional System cooling
- Superior spindle bearings
- The headstock could be wider
- Minimum height
Key Features of the Powermatic 3520b lathe
The 2hp motor comes with an inverter. That allows it to receive a single-phase current in 3 phases. The single-phase is ideal for high torque at the low end. The power is in two pulleys that a Poly V-belt connects. The belt design is durable and prevents surging. It is fast and easy, ranging from 50 to 1,200 and 125 to 3,200 rotations per minute.
The inverter prevents an unexpected starting of the machine. Just in case the electrical power goes off while the lathe is in operation, you need to switch off the lathe before switching it on.
Spindle locking mechanism
It comes with a button loaded with springs. It is at the front of the headstock. A pin is screwed into three holes on the spindle housing. It gives you 24 indexing positions. They drill hole patterns and other decorative patterns on spindle activities.
The clamping disk locks the tailstock to the bed. It is at the headstock, and its function is to avoid deflections of the tailstock ram. That is bound to happen when pressure is on the material in use. It also allows the extension of the tailstock base. The handle locks the tailstock in position. It becomes secure.
Overview of the Powermatic 3520c
The Powermatic 3520c has a new ergonomic spindle lock design and an anti-rotation tailstock for smoother operation. The lathe machine maintains speeds of as low as 15 rotations per minute. It weighs up to 726 lbs and is cast iron. It has a new leg shape that is easy to enclose. There are riser blocks that make the lathe machine taller. You have about 6 inches more on the height of your lathe.
It comes with a tool rest that is 14 inches long and weighs 5 lbs. The heavy-duty dual-ball-bearing live center makes the lathe ideal for heavy-duty activities. The riser blocks are simple and compatible with one-way adjustable legs. Adding or removing the riser blocks is easy. When adjusting the legs, you must crank the feet on the bottom of the legs in or out. It has a new spindle nose on the right side.
The new spindle nose is convenient when working on materials close to the headstock. The new control box that the lathe comes with is movable. It has the On/Off switch, direction, and speed features. Unlike the old model lathes with one switch button, the 3520c model has a two-switch button. That old switch could be hard to operate at times. The control box is magnetic at the back and has a thin layer of soft foam. That is protective of the lathe.
- Adjustable height
- New control box
- New indexing system
- Ease of use
- It has a new control panel
- Ease of use
- No power cord
Key features of the Powermatic 3520c
Headstock and Tailstock
When you want to remove the headstock, you slide the pallet back and remove the headstock. The headstock is a silver handwheel. The grip is not easy. It is manageable. The tailstock is easy to remove as well.
The feet of the Powermatic 3520c has a steel and hard plastic bottom. The plastic bottom makes it sturdy. The steel feet are durable. The nuts of the feet are removable. They determine the height of the lathe. The riser blocks give you a taller lathe.
Legs and riser blocks
The legs are also easy to install. You use the Allen wrench when installing the legs. Do not forget to put the four black socket head cap screws to tighten the legs. The bottom of the legs is compatible with the feet. The riser block has holes in the legs, ready to accept the feet. When attaching the riser block, you need the cap screw that runs through the riser block hole and goes through the foot hole into the leg.
Above the control box, there is the new spindle lock knob. It is big and easy to use. You twist it to lock or unlock it. The new indexing system is easy to control. It is activated by pushing the Index button. When it is in operation mode, the index number is displayed. Turning the spindle changes the index number.
- The bearings on both models have the exact distance between the in-board and out-board.
- They are both in the high-end class.
- They use the same belts and pulleys.
Differences between the Powermatic 3520b and Powermatic lathe 3520c
- The Powermatic 3520b lathe has one leg option, whereas the 3520c has a leg riser.
- The headstock of the 3520b is on the right side, whereas the 3520c has it on the left side.
- There is a new spindle nose on the right of the 3520c, and the 3520b has an old model one on the left side.
- The Powermatic 3520c model has a 10-inch wide headstock, whereas the 3520b has about 8 inches.
- The Powermatic 3520c is 1/4 inch taller than the 3520b.
- The Powermatic 3520b has a manual spindle lock, whereas the 3520c has the automatic one.
- Indexing on the 3520b is more complex than on the 3520c.
- The Variable Frequency Drive on the 3520b is not enclosed, whereas the one on the 3520c is enclosed.
The Powermatic 3520b is more affordable than the Powermatic 3520c. The Powermatic 3520b ranges from 3,000 to 4,000, whereas the Powermatic 3520c ranges from 4,500 to 6,000.
With an overall weight of 726 pounds and dimensions of 69.5 x 36.5 x 47 inches, the Powermatic 3520c is significant and exceptionally durable equipment. The Powermatic 3520b, on the other hand, has a considerably more modest set of specifications, weighing only 682 pounds and measuring 55 x 27 x 31 inches.
Because of this significant disparity, Powermatic gains some advantages; the heavyweight reduces vibration significantly during operation. The spindle speed is more stable with a large engine block, making it easier for the carpenter to polish his work. Furthermore, the machine’s incredible size and weight aid in efficiently reducing noise during operation because its material is solid cast iron, and the noise can quickly spread due to the large volume.
With two horsepower and one phase capacity, the Powermatic 3520C lathe is one of the most influential industrial wood lathe lines. On the other hand, the Powermatic 3520b model has a better set of characteristics when generating up to 3 potent horsepower, which you will see most clearly while utilizing this device. This gadget also has frequency converter technology, increasing the engine’s efficiency while saving electricity and running without maintenance. This inverter also allows the machine’s torque to achieve its maximum potential. As a result, the Powermatic 3520b model has a slight edge over the Powermatic 3520c model in this section.
Feature of Comparison
You receive a moveable controller with the 3520c for convenience in remote operations. In addition, the primary power switch is securely covered behind the helmet to reduce the fire risk. Furthermore, the spindle is intended for 360-degree flexibility, making it easier for the carpenter to work with one hand.
Meanwhile, the 3520b boasts a robust anti-vibration system to keep you from being too troubled. Its cast iron material is very durable and stable. Its most conspicuous feature is the built-in digital reader, allowing accurate speed readings.
What could be better
The Powermatic 3520b’s headstock is narrow and challenging to work with. It could be better if it had a broader headstock to make it easier to work with while completing wood crafts.
The Powermatic 3520C lathe is very weighty, which isn’t essential. It might be lighter to make getting from point A to point B easier. It will help if you do not place it in an area that will be continually in motion but instead in a fixed location.
Verdict on the Powermatic 3520b vs 3520c
There are a lot of similarities between the two models. They both use bearings on their bases. The distance between the inner and outer sides is the same. The belts and pulleys used by these two machines are identical, so if you want to change your lathe from one model to the other, you will not have to replace any parts! If your budget is tight on tooling, the Powermatic 3520b would be perfect.
It’s cheaper than its counterpart. Don’t worry about quality – they’re almost alike, with only a few slight differences. Thanks to digital readouts and enclosed Variable Frequency Drives included in this new design! These include a better riser block and more accurate readings. Have you read our Milling Machine vs Lathe post?
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