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Specification for SFX-4000B:
mini edm machine portable edm machine tool
Technical Specification:
Item: | SFX-4000B |
Input Voltage: | AC220V/110V |
Input Power(W): | 300~3000W |
Electrode Diameter(mm): | 2~24mm |
Working Liquid: | Tap Water |
Max Processing Depth of Spindle Servo(mm): | 70mm |
Max Processing Speed (mm/min): | ≈2mm/min |
Gross Weight: | 24kg |
Adjustable Current: | Stepless Adjustment |
Set Depth: | Alarm Automatically for Certain Depth |
Power box size(mm): | 420*220*370 |
Packing Size(mm): | 525*325*460 |





The schematic diagram of EDM machine processing method:
Portable EDM machine apply a magnetic base and a cross stand
to support the head, it can be placed at any position, and adjust
the processing direction comprehensively.


First of all, our product will have to go through a thorough
quality exam process to ensure that our devices won’t have
any glitch before delivery.
Secondly, the warranty period is usually around one year
and within this time frame, if there are any technical
problems, we would repair them for free including the
new parts that needed for the repair.
PS: we would offer free repair only when the damages
are caused by technical deficiencies of the product
itself, not man made errors, namely, the damages were
done by mishandling the machine.


1.Question: why our product is so cheap?
Answer: We have mass production to lower the cost, make interest
to customers not pursuing high profit from one set of machine,
but chasing large quantity to make profits. With the increase of
sales, from 5 sets per time,50 sets per time,100 sets per time
to now, our company produce thousands sets of main type
machine, here comes the economic profit naturally.
2.Question: why our products’ quality are good?
Answer: Because of focus, so we are professional. We only make
two kinds of machine.
1. The portable EDM machine with “remove broken taps as the
main function”
2. The hole machine whose processing object is “line cutting
through the wire hole”. Our products are simple in category
but easy for technology research,manufacture and organization.
Which is suitable for the micro-small entrepreneur like us.
Our company has always “take the light as the heavy”, and
take “make good products to move the world” as our responsibility.
3.Question: why we promote sales on line?
Answer: our quality is stable, and we can receive money when we
make the product customers receive with satisfaction! At the
same time, we also hope to develop the cheapest way of sales,
and to make earning to customers!
4.Question: Why sometimes we would refuse
customers’ purchasing request?
Answer: Some clients knows little of the function of our machine,
we will offer a more proper processing solve solution with
patience to avoid the mis-choice which would cost waste.
Una Qiu
Skype ID: una.qiu
Mobile: +8615978615908
Website: www.brokentapremover.com
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