{"id":18921,"date":"2026-10-13T11:07:24","date_gmt":"2026-10-13T03:07:24","guid":{"rendered":"https:\/\/hanchang.com.tw\/?p=18921"},"modified":"2026-10-13T11:07:24","modified_gmt":"2026-10-13T03:07:24","slug":"melamine-decal-glazing-separate-press-cycles-en","status":"publish","type":"post","link":"https:\/\/hanchang.com.tw\/en\/melamine-decal-glazing-separate-press-cycles-en\/","title":{"rendered":"Can Melamine Decals and Glazing Powder Be Pressed Together? Keep the Stages Separate"},"content":{"rendered":"

In Han Chang\u2019s confirmed single-color melamine tableware process, decal paper and glazing powder are not loaded and pressed together in one stage. Decorated crockery follows three press programs: mold the plain body, open the mold and place the decal, then run the decal program; open the mold again, add glazing powder, and run the glazing program. Plain tableware skips the decal stage, but it still requires glazing.<\/strong><\/p>\n

This sequence affects more than the surface appearance. It changes operator work, cycle planning and the machine configuration a buyer should compare. When sourcing a single-color melamine tableware moulding machine<\/a>, count the mold openings, manual decal placement, glazing-powder addition and separate pressing stages\u2014not only the body-molding time.<\/p>\n

Plain and decorated melamine crockery do not use the same work sequence<\/h2>\n
\n\n\n\n\n\n\n\n
Order type<\/th>\nPress sequence<\/th>\nManual work between programs<\/th>\nPlanning point<\/th>\n<\/tr>\n<\/thead>\n
Plain single-color tableware<\/td>\nbody molding \u2192 glazing<\/td>\nload compound, add glazing powder after opening, remove the part<\/td>\ntwo press programs; glazing remains part of the tableware process<\/td>\n<\/tr>\n
Decorated single-color tableware<\/td>\nbody molding \u2192 decal \u2192 glazing<\/td>\nload compound, place decal, reopen and add glazing powder, remove the part<\/td>\nthree press programs; decal and glazing powder are added and pressed separately<\/td>\n<\/tr>\n
Two- or three-color body<\/td>\nform each molded color layer first, then add decoration and glazing where required<\/td>\nstaged color charges, decal and glaze follow their own steps<\/td>\nmolded body-color zones determine press type; printed decal colors do not<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

On Han Chang\u2019s control, the program known in Chinese as \u201cadding gold\u201d is the glazing-powder stage. It does not mean adding metal or gold-colored compound. Decal artwork is optional according to the order; a multicolor printed design can still be applied to a single-color molded body.<\/p>\n

Why keep the decal and glazing stages separate?<\/h2>\n

Their loading points occur at different mold openings<\/h3>\n

The decal is placed on the already formed tableware body while the part remains in the mold. The operator needs access to check orientation, position and contact before starting the decal program. Only after that program finishes and the mold opens again does the operator add glazing powder. Treating both materials as one loading action removes the inspection point and does not match Han Chang\u2019s verified operating sequence.<\/p>\n

Each program has a different production task<\/h3>\n

Plain molding forms the melamine body. The decal program presses the artwork onto that formed surface. The glazing program completes the glazing-powder stage. Material suppliers also describe glazing powder as a surface-finishing material, while decal paper may be resin-treated and dried before it reaches the press. That upstream preparation does not turn decal pressing and glazing into one machine program.<\/p>\n

Separate stages preserve a useful troubleshooting boundary<\/h3>\n

If the decal is already shifted, wrinkled or poorly seated after the decal program, the factory can investigate paper preparation, placement, the part surface and closing motion before glazing. If the decal looks correct and an uneven or cloudy surface appears only after glazing, the review should move toward the selected glazing grade, amount, distribution, tool surface and glazing-stage settings. One undifferentiated \u201cautomatic cycle\u201d makes that distinction harder.<\/p>\n

What should the operator inspect at each opening?<\/h2>\n

After body molding<\/h3>\n

Confirm that the body has the intended shape and that the decorated area is free from obvious cracks, loose residue, heavy flash or a surface condition that prevents the decal from sitting correctly. A body-stage problem should not be hidden under decoration.<\/p>\n

Before and after the decal program<\/h3>\n

Check decal cut size, orientation, reference position and contact with the molded surface. After pressing, look for movement, folds, cracks, bubbles or lifted edges. When the pattern repeatedly moves in the same direction, use the melamine decal-shift troubleshooting guide<\/a> to review placement, tool positioning, closing action and consecutive trial samples together.<\/p>\n

Before and after glazing<\/h3>\n

The glazing grade, dosage and preparation method must be confirmed with the material supplier for the compound and finish required. Distribute it as specified, then inspect overall gloss, local haze, material accumulation and the decorated surface after pressing. Temperatures, pressures and times published for another supplier\u2019s compound are not fixed Han Chang recipes.<\/p>\n

Do not estimate decorated-tableware output from body-molding time alone<\/h2>\n

A decorated product adds manual decal placement, a dedicated decal program and another opening and restart before glazing. Measure the complete cycle:<\/p>\n

    \n
  1. compound loading and body molding;<\/li>\n
  2. opening, decal pickup, alignment and placement;<\/li>\n
  3. decal pressing and reopening;<\/li>\n
  4. glazing-powder pickup, distribution and glazing;<\/li>\n
  5. final removal, initial inspection and preparation for the next shot.<\/li>\n<\/ol>\n

    A plain order and a decorated order using the same tool therefore should not be assigned the same hourly output without a real time study. The melamine molding machine performs the closing, pressing and opening actions inside each selected program; operators still load compound, place decals where required, add glazing powder and remove parts. It is not a one-button, unattended cycle from raw compound to finished decorated crockery.<\/p>\n

    How the Han Chang single-color press supports the sequence<\/h2>\n

    Han Chang\u2019s single-color melamine press range covers 37\u2013800 ton configurations with an upward-acting lower hydraulic cylinder, heated platens, adjustable degassing, hydraulic holding, controlled approach and opening, and stored process settings. Decorated single-color tableware uses the body, decal and glazing programs in sequence; plain tableware uses the body and glazing programs.<\/p>\n

    Press force must still follow total projected area and material requirements. Platen size, daylight and stroke must fit the complete tool and leave practical access for decal placement, glazing-powder addition, part removal and cleaning. Buyers planning preheating, decal drying, edge grinding or polishing can review Han Chang\u2019s melamine tableware moulding machine range and line equipment<\/a>, while keeping every auxiliary machine tied to its real process stage.<\/p>\n

    Send these details for a useful machine and line quotation<\/h2>\n