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pad printing machine

The characteristics of ENGY’s pad printing machine.

As we all know Pad printing technology is an indirect gravure printing method to transfer the image from the printing plates (clichés) via a silicone pad onto a substrate (product surface to be printed). There are two common ways of using the plates and ink: The open inkwell system and the sealed ink cup (also known as closed ink cup.)
Our pad Printer has combine market-leading technology with built-in efficiencies to improve them being fast and cost saving.
We offer different types of pad printer including: 1 color to multi-color, semi-automatic to full automatic, standard one and customized one, our production capability is flexible to meet customers needs.
Except for the pad printers, we also provide added value service like offer sampling service before delivery, operation training and engineering consultant for clients to help them solve different problems that meet during production.
That’s why Engyprint pad printer has been distributed to all over the world. In conclusion, we are a trustworthy pad printer partner, there is no worry that you might meet problems when cooperate with us like: you cannot find our sales person, or receive the machine without any accessories, or even no answer from after sale service.

Engyprint Closed Ink Cup Pad Printing Machines

Engyprint offers pneumatic and rotary closed ink cup pad printing machines. The hot sale pad printing machine is two color pad printer with shuttle and four color pad printer with conveyor.
To meet the clients’ special requirement, we can also built the pad printer with some different facility, for example: pad cleaning system is helpful to improve the printing quality and save cleaning work time; hot wind system is able to dry the ink faster, fire flame treatment or electric ions can do the pre-treatment for PP or PET plastic material before printing, PLC control can improve the printing accuracy , automatic loading&unloading system can improve the printing efficiency. Etc.

Further more, ENGYPRINT has designed our own closed ink cup system to find the most scientific structure, with our closed ink cup, customer can easily change the doctor blade ring, and assemble it well again.
Use closed ink cup for pad printer can protect the working environment , save the ink usage, and can be worked with different types of plate like : aluminum plate, carbon steel plate, thick plate, water based photo polymer plate etc.

Engyprint Open Tray Pad Printing Machines

Our open tray pad printing machine’s structure is different than sealed ink cup pad printer, the container to hold ink is a open tray, that’s why the ink inside of the tray is visible, Open tray pad printer is best to assembled with thick plate for printing, if any one hope to try thin plate, it is necessary to build in magnet in the base plate on the pad printing machine to make sure the plate won’t move during the printing process.
Open tray pad printing machine uses doctor blade to scrap the ink on the plate, which is different than the closed ink cup pad printer (use ceramic ring or carbide ring ). Doctor blade price is much cheaper than ceramic ring.

Engyprint Open tray pad printing machine can print big logo, for example: 100*100mm, 130*130mm or 150*200mm logo, or even bigger size .

The hot sale open tray pad printing machine is ono color pad printer with shuttle and two color pad printer with conveyor.

Our technical experts can walk you through the benefits and considerations tied to each approach and help you find the best solution for your unique application.

Decorate Wide Range of Substrates

Pad printing machine provide highly durable print on a wide range of plastics , metal and wood , glass, ceramic, fabric, acrylic etc. substrates.
Which means, pad printing machine can print any material expect for water and air with a tailored fixture to hold the product stable during the printing process.
So if you have a substrate ready for printing, it is important to provide the product size, logo size and the printing location.
Printing material is more related to the ink choose.

Decorate Wide Range of Shapes

Pad printing machines are particularly suitable for a range of even the most challenging part geometries printing. ENGY pad printing machine can decorate flat (linear), round, 2D, 3D, curved, recessed surfaces, and raised surfaces with the highest possible precision tolerances. and also able to achieve multi-color printing to create colorful, vivid logo image.
To accomplish different shapes printing, factory will customize a special fixture for each product, some times, automatic system can be considered.
With a automatic fixture, the printing capability can be highly improved, for very small product like bottle cap, plastic sheet, contact lens, we can use special loading system like : vibrating plate, rising transportation facility etc.
The are many different types material to make fixture :for example, wood, plaster, acrylic, steel etc.
And please pay attention, the fixture need to be made according to the real sample.

Engyprint Pad Printing Machine Advantages

Advantages:

Description:

Print on different shapes and materials of Product.

 

● It is the ideal method for printing irregular shaped products.

● It also has the diversity to print round, cylindrical, flat, raised, as well as recessed areas.

● It has the ability to fill most textured surfaces.

ENGY uses suitable silicone pad with the shape and selected hardness to fit the application needs.

The pad conforms well to the shape and texture of the object to transfer ink completely.

Ability to print on products that have inconsistent dimensions or variations, such as injection molded parts, metal ,acrylic parts etc.  

Print high-Quality Logos

Pad printing can provide fine-scale detail on critical components that require line definition down to 25µm , for example: watch dial, contact lens, etc.

One stop pad printing solution

We product pad printer as well as the related consumables by ourselves, we understand different ways of making plate (chemical etching, fiber laser machine engraving ) and we can provide guideline on how to solve problems during the printing process.

Extreme Accuracy and reliable

Pad printing can print on those components with extreme high accuracy such as below but not limited to :

² Toys, legos, garments, clothing

² Medical devices or Pharmaceutical components

² Safety parts or small safety equipment plastic parts

² Automotive components

² Home appliance components

² Consumer Electronic devices

² Optical or glasses components

Colorful Decoration Color

The pad printing machine can print colorful logo on a small item: like 8 or even more colors with accurate result.

Fast & Easy Fixture and consumables Change

With a disposable ink cup design, the ink cup can be changed in around 2 minutes without clean the ink in the cup.

Cost-Effective Than Many Other Alternatives

Compared to hot stamping or heat transfer labels, pad printing is cheaper when flexibility is required. With pad printing, there is the flexibility to change graphics, ink , and ink color very quickly at a much lower cost.

With hot stamping, the cost of foil is high due to high minimum order quantity and the cost for producing foils in specific colors for specific substrates can be extremely expensive.

With heat transfer labels, there is a high cost associated with printing the label due to high minimum order quantity and the cost of applying the label.

Pad printing eliminates much of the cost incurred with labeling products. (cost of printing labels & cost of applying the label).

With UV printing, the UV ink is much more expensive than pad printing ink.

Customized Services

Engyprint provide standard pad printer in short time around 3-7days

We also accept customized service to design pad printer according to the real product.

Pad Printing Machine Applications

Pad printing machines can be widely applied to print on various kinds of product surfaces For example:accessories of hardware or plastics logo, toy, automatic parts and home appliances commodity, key-press electric components like computer, mobile phone, electric panel, telephone, game player, etc. Hot application industries including : Garments tag-less logo, manufacturing for bottle/beverage cap , glasses/ contact lens , toys / school items/ promotional printing services , medical parts, Shoes, perfume bottles, ceramic plates, cosmetic package , safety parts etc.
Special design is available based on customers' specific requirements.
Engyprint’s Rich experience in pad printer production has been built since 1998, according to our efforts, a specific series of pad printers has come out to satisfy different customers' printing requirements. We can also offer the customized solutions for special printing demands with the suitable cost performance.

Things to note when adopting pad printing

Things to Considerate:

Description:

Pre-treatment May Be Required

For some special material, pre-treatment before printing may be necessary to make sure the ink won’t be easily erased after printing, for example: PP PE plastic material requires for flame treatment or ions treatment.

After Printing Treatment May Be Required

Some of the ink formulations require heat to increase adhesion. UV light curing may be required if the product is packaged in bulk or assembled immediately after printing.

Automatic loading system maybe needed

If the production speed has a high requirement, an automatic loading or unloading system can be chosen.

Print Size Limited by the Size of the Ink Cup

The ink cup diameter and machine stroke defines the maximum size of the print image.

For example:

Inner diameter 90mm ink cup used on a 100*250mm plate, the max. Print logo is around 60*110mm.

The exception is that we can make the ink cup moving in the horizontal direction to enlarge the printing logo size.

Ink viscosity Needs to be Controlled

Ink viscosity is particularly important to the printing quality. Defective prints could result when the ink is too thick or too thin, where the pad won’t pick up the image from the plate or release ink onto the part.

Solvents Required

Solvents used in the pad printing process are hazardous chemicals that may be volatile or flammable and may possess health hazards. Thinner is required to adjust the ink viscosity. Solvents are required for cleaning all components.

Changing Artwork Means Changing Plates

Artwork is etched or engraved onto a steel , aluminum plate or polymer plate.

To change artwork, a new plate needs to be etched with the new artwork.

If it is a two color printing, two etched plates will be needed, which means different color requires for individual plate.

Maintenance and Skilled Operation Required

Maintenance personnel need to understand the pad printing process in order to address any print quality issues. Some factors they need to understand are:

● how environmental factors : temperature and humidity affect print quality and may need to adjust the ink viscosity accordingly.

● Ceramic ring and plate are better to use thinner to clean after printing in order to extend the consumables life time.

● Check the air pressure if the pad printer cannot work properly.

● Check the machine manual if the pad printer give error reminder.

 

FAQ

The difference between these two technologies can be easily distinguish by their name,

Pad printing use a silicon pad to transfer an image from the etched plate(Cliches) to a product, while screen printing uses a mesh screen to accomplish the image transfer.

Pad printing is excellent for printing smaller images onto 3d or curve shaped objects, and screen printing is better for printing larger images or apparels on flat or round surfaces.

Normally pad printing has a better image quality than silk screen printing.

Pad printing is a direct printing technology where the ink is physically picked up and transferred to the products. When pad printer printing multi-colors, the pad need to pick different ink to print the color one by one.

Digital printing is an indirect printing technology where the ink is sprayed to the product from a nozzle system. The multi-color appeared by the computer design.

Each may have their own benefits, but pad printing still offers a higher-quality print and faster capability. It is also allowing for specialty applications where digital is very limited with types of inks that can be applied.

Determining the best technology for your application need to take many elements into consideration. the key factor is what is going to be printed, the shape and material of the product , and what requirements might be involved. The size of the printed logo, and where the logo is located. It is suggested to contact us for detail discussion.

Yes, pad printing technology is capable of printing photographic images following a CMYK process. This process is much more challenging than standard spot printing, and requires a higher level of expertise in all categories of manufacturing of consumables and parameters of the printers. Generally speaking, it is a complicated process , aslo need many times trail before printing.

The speed of the pad printing is effected by many different elements:

●The difficulty of the print

●The experience of the operator, anexperienced operator with a standard print can achieve up to 1,000 prints per hour.

●How many colors are needed

●What’s the structure of the pad printer, when print multi-colors, a pad printer with conveyor can print faster than a pad printer with shuttle.

Further more, we do have options for increasing speed by customizing the printer with a care system or adding automation. For more information, please see our machine catalogs or contact us for detail discussion.

The level of difficulty depends on the complexity of the image and the design of the object which is being printed.

To make the operation process easier, Engyprint will adjust the machine ready for printing before delivery and take operation video to guide the users.

The core part of using the pad printer is adjust the ink suitable for printing, and find the correct printing location by adjusting the fixture and the machine.

 

We carry a wide variety of pad printers to meet any printing requirements. We also offer customization for unique applications. Please view our machines or contact us to help determine the best choice for you.

This is depends on the product size and the printing location of the logo. For our standard 160 stroke machine – closed ink cup, with plate 100*250mm, the max print dimension is 60*110mm

While open tray pad printer has a large printing logo ability, for example: 100*100mm or even bigger. Further more, we can customize machine according to the client demand, Please contact us to get more professional suggestion.

This will depend on the complexity and detail of the image, but pad printing can produce incredibly small images and fonts. Note, smaller prints do require a higher level of experience and care. small images printing requires for a higher quality of the etching plate.

Yes, of course!

we have experience in designing many automated systems that include pick and place robotics, feeding systems, conveyors, offload, camera positioning System, vibrating plate for small parts etc. This can also include secondary operations unrelated to the pad printing process. Please don’t hesitate to contact us today to discuss custom automation.

yes, definitely, we produce pad printer consumables since 1998, the basic rule of our consumables production are : make sure their can work with other brand of pad printers.

No matter it is ink cup, ceramic ring ,carbide ring, pad , pad mold, or thick/ thin plate, we have hundreds of types and dimension.

Please review our pad printer consumables catalogs ,or contact us for more information.

The printing process can be greatly impacted by the climate of your printing environment.

And the place to stock the plate with coating layer and the pads are also greatly effected by the temperature. If the workshop is always hot , it is suggested to open the air conditioner to maintain the inner temperature at less than 25 degree.

We understand that to maintain a proper climate maybe out of your control. In that case, it is necessary to cater to the climate by implementing strategic adjustments within your parameters and ink formulation. For example, a hot or humid may require the use of less solvent in your ink or to increase delay times. If it’s cold and dry, you may need to use more thinner, a retarder and/or decrease delay times. Anyway, practise makes perfect, and experience produce knowledge.

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We will contact you within 1 working day, please pay attention to the mail with the suffix “lina@engyprint.cn ”.