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Economical Centrifugal 3 in 1 -- EC3 SERIES
The modular concept of the EC3 makes it ideal for small series production. Their high-tech design makes these machines extremely economical, with savings being as much as 60 % compared to the cost of conventional finishing. To cater for specific applications, the EC3 is available in the versions "magnetic", "wet" and "dry" and as a flexible all-rounder, the "basic" model.
Features
* Clean and bright workpiece surfaces
Completely removes any traces of sanding/grinding and casting skin for perfect results.
* A surface finish equal in quality to that of manual polishing
Puts a shine even on inaccessible areas of intricate workpieces and completely removes oxidation discoloration and any residual investment material.
* Flexible in use
This machine type is the first to use three separate or up to three different finishing processes in a single machine.



Technical Details
| Voltage | 220~240V Single Phase 50~60Hz (110V available) |
| Power | 0.8kVA |
| Working Capacity | 6L / 0.2CuFt per drum |
| Drum Inner Size | 240x200mm / 9.4" x 7.9" |
| Speed | 0~2800rpm |
| Shipping Details | 740*360*590mm / 29.1"x14.2"x23.2" 45kgs / 99.2lbs |
STANDARD EQUIPMENT
* Speed control via frequency inverter
* Bayonet fitting for container
* LCD indicating speed and processing time
* Automatic container detection
* 6 l process container for wet finishing including dosing pump and waster water tank
* 6 l process container for dry finishing
* 6 l process container for magnetic polishing
ACCESSORIES
INTERCHANGEABLE CONTAINERS
Magnetic Pin Bowl - Polishing and Preparation Stage
This is the preparatory stage for wet finishing as well as for polishing intricate items that can’t be polished using the conventional barrelling system. Oxide discolorations and investment material residues are completely removed after approx. 15 - 30 minutes and even inaccessible areas of intricate workpieces are polished to a high shine.
RECOMMENDED PROCESS QUANTITIES*:
* Granulate: 200 g steel pins
* Workpieces: approx. 300 g
Wet Bowl - Pre-finishing
Perfect results are obtained after just 3-4 hours. The use of a special "soft" abrasive medium ensures that the surface of the
workpiece does not become hardened – reliably preventing the surface from becoming pitted. The results are the complete removal of
any traces of sanding/ grinding and casting and clean, bright workpiece surfaces.RECOMMENDED PROCESS QUANTITIES*:
* Granulate:
3 kg plastic abrasive
or 12 kg stainless steel polishing agent
or 4 kg porcelain polishing agent
* Workpieces: approx. 300 g
Dry Bowl - Polishing and Final Finishing
Very fine polishing granulates made from walnut shell ensure a perfect surface finish. Material removal is in the micro range. No damage to diamonds, zirconia or pearls in their settings. Processing time for initial polishing approximately 2-3 hours, for final polishing approximately 30 minutes, giving extremely smooth surfaces and a brilliant shine comparable to that achieved by manual polishing.
RECOMMENDED PROCESS QUANTITIES*:
* Granulate: 2.2 kg walnut shell granulate
* Workpieces: approx. 300 g
Base unit, Magnetic Pin Bowl, Wet Bowl and Dry Bowl are also available separately.
Please ask for details.
--------------------------------------------------------------------------------------------------------------------
PROCESSING MEDIA SETS
Dry finishing
COMPRISING:
* 5 kg H1/100 walnut shell granulate for pre-polishing
* 5 kg H1/500 walnut shell granulate for fine polishing
* 1 kg polishing paste P 6
* 1 scoop
* 1 ladleWet finishing
COMPRISING:
* 2 kg PA 10 plastic abrasive, red (coarse grinding)
* 2 kg KA 10 plastic abrasive, red (coarse grinding)
* 2 kg PX 10 plastic abrasive, white (fine grinding)
* 2 kg KX 10 plastic abrasive, white (fine grinding)
* 10 l compound SC 13
Before & After






need attention in each step. The low loss, high grinding capacity and high polishing ability of media are our advantages.
[Q3] How Long is Your Lead Time?
[A3] We will arrange shipment within 12 days after payment. 15 days ready to leave at Shanghai port or Ningbo port.
[Q4] Can You Provide Sample Finishing Process?
[A4] Yes, we provide FREE sample finishing process. Mass Polishing does not charge any service fee for sample trial. Please contact us!
[Q5] Can You Provide Cleaning System?
[A5] Yes, we also make the cleaning system, it is also named waste water treatment.
[Q6] Can You OEM the Tumbling Media?
[A6] Yes, we offer OEM solutions for tumbling media. You just send us the media sample, we will make a testing report then we talk it.
[Q7] Can I Reduce the Noise of Vibratory Finishing Machine?
[A7] Yes, we can make a soundproof cover to reduce the noise.
[Q8] Is Easy to Operate Your Mass Finishing Machine?
[A8] Yes, the machine is very easy to operate, and we also guide you how to use at first time.
[Q9] What is Your Mass Finishing Machine Finishing Process Method?
[A9] Deburring, Polishing, Radiusing, Degreasing, Cleaning, Smoothing, Fine Polishing, Mirror Polishing, Super Finishing,
Isotropic Finishing, Ball Burnishing, Derusting, Descaling, Pickling, etc.
[Q10] What is Your Packaging Way?
[A10] About machine, strong plywood for only one set. About media, 25kgs per woven bag, 1000kgs per pallet. About compound, 50kgs or 25kgs per plastic barrel.
[Q11] What are Your Price Terms?
[A11] FOB, CFR, CIF, EXW, DDU, DAP Price mainly. If you need delivered price (DDU, DAP), you may have to wait 1-2 days.
[Q12] What is the Nearest Port?
[A12] Shanghai port, Ningbo port.
[Q13] What is Your Payment Method?
[A13] T/T usually, we also accept Paypal. We provide all customers with Trade Assurance Order. “PQS” Protection. (Payment Protection, Quality Protection, Shipping Protection)
[Q14] Which Certificates do You Have?
[A14] ISO9001:2015, CE, SGS, Safe Transportation Report, etc.
| Voltage | 220~240V Single Phase 50~60Hz (110V available) |
|---|---|
| Power | 0.8kVA |
| Working Capacity | 6L / 0.2CuFt per drum |
| Drum Inner Size | 240x200mm / 9.4" x 7.9" |
| Speed | 0~2800rpm |
| * Workpieces | approx. 300 g |
| [A14] ISO9001 | 2015, CE, SGS, Safe Transportation Report, etc. |
It is a compact benchtop centrifugal disc finishing machine for deburring, polishing, radiusing, degreasing, smoothing and mirror/super finishing of small workpieces such as jewelry and intricate metal parts.
Voltage: 220–240V single phase 50–60Hz (110V available). Power: 0.8 kVA. Working capacity: 6 L (0.2 cu ft) per drum. Drum inner size: 240 x 200 mm (9.4" x 7.9"). Speed: 0–2800 rpm.
The machine uses a modular concept with three interchangeable 6 L process containers so you can run up to three different finishing processes in one unit: magnetic (pin bowl), wet bowl (liquid abrasive), and dry bowl (e.g., walnut shell).
Speed control via frequency inverter, bayonet fitting for containers, LCD indicating speed and processing time, automatic container detection, and three 6 L process containers: wet (with dosing pump and wastewater tank), dry, and magnetic.
Magnetic pin bowl: 200 g steel pins, ~300 g workpieces (15–30 min). Wet bowl: 3 kg plastic abrasive (or 12 kg stainless polishing agent or 4 kg porcelain agent), ~300 g workpieces (3–4 hours). Dry bowl: 2.2 kg walnut shell granulate, ~300 g workpieces (initial 2–3 h, final ~30 min).
Yes. Typical sets: Dry finishing set (multiple grades of walnut shell granulate, polishing paste, scoops) and Wet finishing set (various plastic abrasives and 10 L compound SC 13). Exact set contents are available on request.
Shipment is arranged within 12 days after payment. Machines are typically ready to leave from Shanghai or Ningbo port within about 15 days.
Yes — free sample finishing process is provided. Contact the supplier to arrange sample trials and receive a finishing report.
Yes. A cleaning / waste water treatment system is available as an optional accessory.
Yes. OEM solutions for tumbling media are offered. You can send a media sample for testing and the supplier will provide a testing report before producing OEM media.
Yes. A soundproof cover can be supplied to reduce operating noise.
The machine is designed for simple benchtop operation with an LCD, speed/time control and automatic container detection. Basic maintenance includes cleaning containers, replacing media as needed, checking seals and the dosing pump for the wet container. The supplier provides initial guidance.
Machines are shipped in strong plywood crates. Media: 25 kg per woven bag, 1000 kg per pallet. Compounds: 25 or 50 kg barrels. Price terms: FOB, CFR, CIF, EXW, DDU, DAP. Payment: T/T typically, PayPal accepted; Trade Assurance orders are supported.
Typical certification information includes ISO9001:2015, CE and SGS. Ask the supplier for copies of certificates and test reports if required.
Yes. Do not exceed the recommended media and workpiece quantities (approximately 300 g workpieces per 6 L container). Always operate with the lid closed, use appropriate PPE when loading/unloading, ensure proper grounding and follow local electrical safety rules. For warranty and specific safety instructions, consult the supplier manual.
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