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Shanghai ProMegaTrading Co.,Ltd. is dedicated in the Printing and Packaging industry since 2008, we are providing machines and consumables in the Printing and Packaging area
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Post Press Equipment for Zinc Magnesium Copper Steel plate etching , block making machine 60L

Shanghai ProMega Trading Co., Ltd.
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Shanghai ProMega Trading Co., Ltd.
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-20232967
Contact Person:
Mr Francois Ni

Post Press Equipment for Zinc Magnesium Copper Steel plate etching , block making machine 60L

Brand Name : ProMega
Model Number : PM-ETCH-60L
Certification : CE
Place of Origin : Shanghai, China
MOQ : 1 set
Price : $ 4280 to $ 6880 per set
Payment Terms : T/T, L/C, Western Union, MoneyGram
Supply Ability : 20 sets per month
Delivery Time : 15 days
Packaging Details : Wood case 1500×1000×1100mm of 380kgs for 60L machine
Structure : PVC cover with Titanian Alloyed leaves
Control : Automatic Timing and Rotating
Temperature : Auto Control temperature at set speed
Cooling : Air cooling or Water cooling
Waste Outlet : Auto pump to get rid of waste Chemical liquid
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Post Press Equipment for Zinc Magnesium Copper Steel plate etching , block making machine 60L

Main body is separate to the control box, operating panel is PVC Special film, anit-corrusion and very durable
Bottom is GB standard special steel, PVC anti-electric painting, whole body welded by PVC to prevent it from deforming.

Control panel and electricity:
  It has device like Time showing, rotary speed, temperature, if PLC model, it’s touch screen
  electrnoics are from China Famous Brand
  Delivery axil is LDK—P204 high accuracy ball adjustment bearing
  Main axil is Japan’s Omron’s interverse, the number showing the actual axil to belt rotary speed
  Compresser is using Mitbushi or Hitachi’s rotary ball bearing, fully insulated compressor group, saving energy and water


1.Temperature tolerance


2.Rotary speed tolerance


3.Digital timing tolerance


4.Temperature lowering speed



220V,single phase, or 380V,3phase


Plate area (mm )

Liquid capacity (L )

Rotary speed (r/min )
































































































  1. Purposes
    1. JBFS series of stirring plate making machine is an ideal equipment required for enterprise producing the gold stamping plate, embossed plate, marking plate, refraction plate, radium stamping plate, various metallic label, prize, copper anti-counterfeiting stamp etc. This machine can deeply etch the words, lines and patterns etc after passed the previous procedures such as copyplate etc to ensure the part with anti-etching film kept original conditions, and part without anti-etching film etched and indented, and let the words and figures crowned to realize an ideal result of printing plate, high plate making speed, high quality, low labor intensity, and easy operation etc.
  2. Working Principle and Structure
    1. Working principle

Clamp the metal plate on the rotary table, after the equipment started, the blades of propeller shaft may carry the etching liquid. While the metal plate clamped between rotary table rotating, it shall also suffered the vertical impact of etching liquid and let the blank part etched off to make a useful metallic printing plate.

2. Structure

This machine composes of main frame and electrical control cabinet. The main frame consists of (1) upper cover; (2) housing; (3) propeller shaft; (4) heater; (5) air conditioning refrigeration system; and (6) chassis etc.

Upper cover: equipped with balancing unit, easy open/close, the rotary table seat is fixed at the middle of the upper cover; the rotary table is directly driven by micro-motor to make the rotating motion. In order to prevent the micro-motor damaged, the clutch is installed between rotary table seat and shaft. The T-type clamp plate sliding slot is arranged on the rotary table to securely clamp the different size of metal plates on the rotary table.

Housing: welded with PVC sheet, with propeller shaft, blade, heater, evaporator and temperature-sensing thermocouple etc in it.

Propeller shaft: consists of blade, splitter, retaining ring, retaining gasket, bearing, bearing seat and pulley etc. The motor driving among shafts depends on the shaft-end sheave and A-type V-belt, high stability. The clearance between propeller shafts is adjustable to compensate the wearing of shaft sleeve.

The materials of heater, refrigeration evaporator, and propeller shaft are different for different metals to be etched. The detailed materials include 1Cr18N9Ti stainless steel and TA2 Ti-steel.

Chassis: G–B angle weld structure with the adequate strength to support all parts of the whole machine. The lower part of chassis has been installed with the motor, with jack bolts on four feet of chassis for levelling purpose.

Electrical control cabinet: welded with PVC sheet, equipped with various electrical elements and control components, the operating panel has various instruments and operating switches to control the actions of all parts.

  1. Installation

During plate making, this machine may generate the harmful gases, so this machine must be installed in a well ventilated room and equipped with water supply and drainage pipeline. As unpacking, firstly check the equipment, accessories and technical documents according to the packing list, then unscrew the anchorage screws for transport purpose, then delivered into working room.

After the equipment placed stably, put four leveling bolts under the chassis, place the counterweight blocks between two arms, tighten the screws at both ends, and properly connect the main framework with control cabinet through aviation plugs.

  1. Debugging
    1. Debugging
    2. Check the status of switches and buttons on console panel, the detailed operations are as below:

Adjust the “zinc/copper” switch to the specified position, for example, if the copper plate making machine purchased, then set the “zinc/copper” switch to the position of “copper plate”, turn the “time relay ON/OFF” switch to “stop” position, and “normal/debug” switch to “normal” position, “forced to heating”, “forced to cooling” self-lock button to free status (turn right), set the inverter knob to zero position.

(2) Preliminary preparation before the equipment powered on, the details are as below:

Forbid to operate the equipment without working medium or water.

Connect the equipment control cabinet to the power supply (the wiring terminals L, and N are power supply AC220V, L is the live line, N is the zero line, and properly connects the safety ground line), open the upper cover to let the blade vertical to the bottom, put the relevant fresh water, with the water level 2-4mm higher than the blade perpendicular to the bottom, close the upper cover.

(3) After equipment powered on, adjust the rotating speed and horizontal position, with the detailed operations as below:

Press the “Power ON/OFF” button, just then the main motor of is under low speed status, press the “system running” button, then adjust the inverter “status key” (the first left key of inverter), let the “data display” of inverter display into U000 (i.e., the actual rotating speed of equipment), slightly adjust the knob of inverter, let the actual rotating speed up to 180-190 rpm. Set the “time relay ON/OFF” switch to “time relay ON” position, the equipment begins to operate, open the upper cover to let the equipment operate under low speed, manually press the contact of limit switch to let the equipment operate again, just then observe the height of water splashed at four corners, with the height not beyond the upper level, the flashed height of water drops may be adjusted by revolutions. If the height of water drop flashed not compatible, it can be adjusted by adjusting four leveling bolts at the bottom of machine, then set the bolts and lock up, close the upper cover and stop the machine.

(4) Clean the cabinet, with the detailed operations as below:

During cleaning, put the relevant water and detergent into the cabinet, start the machine, adjust the rotating speed of propeller to about 400rpm. Agitate to thoroughly clean the oily stains and containments in the cabinet. Stop to discharge the waste liquid, then wash with fresh water twice.

(5) Adjust the equipment working temperature and time, with the details as below:

Put the etching liquid prepared in the specified proportion into the cabinet, properly adjust the temperature controller (see setting of temperature controller parameters for details) and time controller (see setting of time controller parameters for details) as required. Turn the “time relay ON/OFF” switch to “time relay OFF” position, press the “system running” button after the upper cover closed, the equipment begins to operate. Observe the constant temperature control, time control and tachometer control system, whether they are sensitive and reliable within their adjustment range. The rotary speed of equipment can be adjusted as required. After the test run mentioned above, if all parts of machine are in normal working conditions, then the plate making may begin.

  1. Operating Precautions
    1. The safety ground wire must be connected properly.
    2. Forbid to operate the equipment without etching liquid or water.
    3. Due to a clutch used between the rotary table seat and shaft, and fixed on the upper plate, during removal, slightly push the rotary table by hands to release from clutch, and then rotate by hands. (otherwise, easy to cause the micro-motor on upper cover damaged)
    4. The rotary shaft is turned in clockwise.
    5. The draught of etching liquid shall be not more than 15mm under vertical conditions of blades
  2. Maintenance of Equipment
    1. During operating, properly provide the machine maintenance to ensure its normal performances and long service life.
    2. The exterior of machine must be frequently wiped; all switches and instruments on panel of electrical control cabinet must be free of etching liquid.
    3. The bearings of upper cover rotary table shaft and propeller shaft, and screws shall be retightened once a week, and refilled with #0 lubrication oil once, if found any standard components etched, replace as soon as possible (which is out of warranty).
  3. Remedies of Faults
    1. When the refrigeration system equipment are in normal running conditions, and equipment working in refrigeration system (i.e., temperature drop), the temperature controller lamp J1 lit up, KM2 AC contactor in equipment control cabinet closed, the air conditioner wiring terminal (L23,N) has 220V power input. If the machine temperature not dropped, then check whether three parts mentioned above function properly or not to eliminate the faults.
    2. When the heating system equipment are in normal running conditions, and equipment working in heating system (i.e., temperature rose), the temperature controller lamp J2 lit up, KM1 AC contactor in equipment control cabinet closed, the heating tube wiring terminal (L22,N) has 220V power input. If the machine temperature not rose, then check whether three parts mentioned above function properly or not to eliminate the faults.
    3. This machine has two emergency buttons of ‘forced to heating”, and “forced to cooling”, if the equipment temperature controller failed, turn the “normal/debug” button to “debug” position, put a mercury thermometer into the acid tank to substitute the temperature controller to measure the temperature, and press the “forced to heating” or “forced to cooling” buttons as necessary

4. When the equipment has only the low rotating speed, no time controller displayed, both copper plate and zincograph indicators not lit up, which were caused by poor contact of limit switch on the left upper corner of equipment, adjust the small screws on the limit switch to ensure the good contact.

First, the preparation method of etching solution:

1, nitric acid (68%) of the total solution was 20%, the additive solution of 5% of the total, 75% of water.

2, prior to the addition of additives to shake, after accession, the boot was stirred 20 minutes later.

Second, the etching temperature: 35-40 ℃ is appropriate

Third, the etching time and depth: 4 to 6 minutes the etching, the depth (0.5-0.8) mm etched 6 to 10 minutes, the depth of (0.8-1.2) mm etched 10 to 15 minutes, the depth of (1.2-2.5) mm etched 15 to 30 min depth (2.5-4) mm

Fourth, the rotation speed 350-500 rev / min

Fifth, supplemented with nitric acid method: front and rear of each plate is etched to be called the weight carried magnesium supplement acid according to the amount of etching, etching per 30 grams of magnesium, need additional nitric acid (concentration 68%) 200ml can. (No additives)

Sixth, the exposure time: 1 kilowatt power exposure machine, exposure time is 250 seconds, more than two kilowatts of power, the exposure time is 200 seconds (eg fine lines can be double exposure).

Seven, etching area: a machine can be etched magnesium plate etching solution (500mm * 500mm) 25 ~ 30 sheets etched area of 7 square meters or more.

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