>> /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> /Resources << Improperly packed cylinders. >> /Image10 42 0 R /Image48 68 0 R Repair defect up on doctor blade, impression roll, 2.Air drafts at nip 2. << /XObject << /Group << �q@���Xp���{�ؙmLMu�{ϝݶ$E6v�bٓS&���G�e$�'�$ �����������q���~�d0t� 4�O��e�+*�N���z���+i��
����BF�?&�`)@&���b�1I㝇#���[�6~���a:m��KK /Parent 2 0 R >> /Contents 86 0 R << (Day >> /F4 64 0 R Non-compatible additive that is less dense than ink Solution: 1. 15 0 obj /BM /Normal Bring the defect to the notice of the drawing-in operator. Check solvent mix of ink 5. /Group << In the process, there can be deviations in the shape and size of the metal structure. /Image10 42 0 R /Image10 42 0 R /XObject << /Type /Group /Image4 41 0 R Ƞ�����p�Ƃc���Ͳe{�^��Q�q��i�p�N�Q��B��kՔZ�A��TM�(�� 4�9�x��%��UO��v�W3L˱r{������yR�8��_KމQ� S4�J������^|��Zw������s��Hp�u1ΦJ�qG]k^��`[���s�Xg.J�TZ���kh��8 /Group << /Count 22 /Group << /Filter /DCTDecode >> ���� JFIF H H �� C ! /MediaBox [0 0 612 792] << /Type /XObject /CreationDate (D:20140102070729+05'30') Even when there is a problem, the floor doesn’t have to be a failure. /F3 45 0 R 4. /MediaBox [0 0 612 792] Printing Defects Printing defects may result from Faulty or improper printing procedures. endobj 14 0 obj >> /CS /DeviceRGB Tolerance limits for defect (size, repeatability, quality, significance) will be defined later. /XObject << /ColorTransform 0 /Font << >> >> >> /Image58 75 0 R *�%�LJ���*�"���*%���n�N�����7{�8ir΅�ם�|s��s����h��(���e��0im��ѡ�ᱜ���a.����F_��l�He�L(Å֒ieDǦ��k*�]����[rZ�P#*�Oޕ��!9��XK��
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+�5��z;� pq>����Rܶ�*���a�d��|u���3��4�\�K0��c�R��Ol���f /XObject << >> R��� >> /CS /DeviceRGB Microscopic defects such as flaws and voids can act as stress concentration sites and are detrimental to strength of the materials. >> /ML 4 /LJ 0 /Image4 41 0 R Notice the fourth hickey in Buzz Aldrin’s jacket. /Image4 41 0 R /MediaBox [0 0 612 792] /MediaBox [0 0 612 792] /Contents 72 0 R Causes: defective paper coating. /Type /Page /Font << /MediaBox [0 0 612 792] /XObject << 6. /MediaBox [0 0 612 792] /F2 44 0 R /F1 43 0 R /F2 44 0 R /Group << !!��?�qKE! In some cases, several defects may occur simultaneously and hinder the determination of the causes and redemption works. /Tabs /S /F2 44 0 R /F1 43 0 R >> /Type /Group Check oven for down draft on cylinder. << /Image10 42 0 R >> >> /Group << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /ca 1 /Group << �� L��YXEP�Ha�N������h#��p)~��� �q� /X7 29 0 R /ca .2 /F2 44 0 R /Contents 85 0 R /F2 44 0 R /Group << /MediaBox [0 0 612 792] /Image4 41 0 R %���� /CS /DeviceRGB /Image4 41 0 R /Group << /F2 44 0 R /Image10 42 0 R >> >> stream
18 0 obj Defects , Causes and the Remedies Adhesive Coating is a simple process There are various methods available for the same. Take precautionary measures during sizing. /F2 44 0 R /F1 43 0 R /Parent 2 0 R Common Defects of Fabrics during manufacturing process includes back fabric seam impression, birds eye, bowing, broken colour pattern, colour out, colour smears, crease mark, drop stitching, dye streak in printing, hole, jerk in, knots, mixed yarn, mottled, needle line, open reed, pin holes, press off etc. square will not tension properly on the press and may possibly cause print related problems and web control problems such as wrinkling. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> /S /Transparency /Contents 79 0 R /Image4 41 0 R /Image10 42 0 R /F2 44 0 R /ModDate (D:20140102070729+05'30') Agitation in sump may be required in severe cases Float on Ink Problem: Non uniform layer on surface of ink in container may result in a variety of print defects as container is used. /Image10 42 0 R endobj /XObject << >> l(&@� �a��W�8�����A�����Γ4f�z��nq�iDo@���[��y���n�ᦘ�7��z���l��5�"����؋�;Nl��/*L�bE /Type /Page << Below is the article, where I mentioned the types of welding defects with their causes and remedies. Blistering. /Height 64 /Parent 2 0 R /F3 45 0 R /MediaBox [0 0 612 792] /Resources << /Parent 2 0 R �v�V,*�Gu��]�BuE��"B�� !�=7U�ӥ*g�'��s���g���=T����>�s�{8���xn�պ�6�����}[�UA~�}t��T��:H����on�$��\&'H #x2�o��Bx~��Ě͌��3t1y,�P�6n_��Q �M��h�Dr���F� /F3 45 0 R recognize the defects and understand what remedies to use in order to eliminate them. /XObject << /Type /Group /Type /Page /Image4 41 0 R }��f�/��EnOK䁵��e%1��P����|����W"�aG!.3�����ĕ���u< �*ғ��ۣ�;f��$u���Y���A?�eE�B,�oM�!F��L� 7)��W�v�RǸ�tSλ�. /F2 44 0 R << 20 0 obj It is the holes created on the external surface or inside the casting. /F2 44 0 R /S /Transparency /CS /DeviceRGB /Tabs /S >> >> /Contents 49 0 R After treatment ↓ Fabric Unload 2.3 Shade variation (Batch to batch): Batch to batch shade variation is common in exhaust dyeing which is not completely avoidable. /F3 45 0 R /Annots [97 0 R] /Group << /Tabs /S /MediaBox [0 0 612 792] /CS /DeviceRGB endobj 6 0 obj endstream
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>> >> Remedies offered hopefully give you a basic understanding of defects and their causes. >> Remedy: Make sure that the Machine is serviced properly. << /F3 45 0 R Ink drying on press. /CS /DeviceRGB /MediaBox [0 0 612 792] >> << PRINTING DEFECTS. endobj >> /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Faster drying rate 4. /F2 44 0 R endobj /Font << >> ���1g)��0���I[�e�RX��������bB�I��v����Q�*�&�1��sL4%Q�$���5�� o'����,�/��}��w�f��zK*��z�m�D:����S���:�����\Bp@�O!�e+�0�"�(�X��~Ro�����dד���ޝ���s�f�B�F��d8�
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>> /Parent 2 0 R They must be able to resist swelling and delamination caused by inks, fountain solutions and washes. >> >> HHS provides access to medical and behavioral health care, substance misuse treatment, long term services and support, and nutritional and financial benefits to those with … 25 0 obj /Kids [4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R The following list provides helpful remedies for common issues that may be encountered. /F4 64 0 R /Image42 63 0 R It can be caused by the use of the incorrect welding process or wrong welding technique. /F3 45 0 R /Resources << >> /Image4 41 0 R endobj /F1 43 0 R /Type /Page /S /Transparency /Image21 51 0 R /Tabs /S /Font << A printing press is a mechanical device for applying pressure.The offset printing process relies on the assumption that an uniform film of ink of right thickness. >> >> /Type /Group >> Ghosting is usually considered the presence of a faint image of a design in solid printing areas that is not intended to receive that portion of the image. /MediaBox [0 0 612 792] >> << /F4 64 0 R /Image31 58 0 R /Contents 65 0 R >> /Parent 2 0 R /F1 43 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] �y~[m}�M���+������Lq����xx��f��~��A�� ��|� �p�2���u��7ݼ�����j�Q��wLѰ7���@d���1=Zr�' /Image47 67 0 R The SELLER shall remedy at its expense any defects, against which the VESSEL or any part of the equipment thereof is guaranteed under this Article by making all necessary repairs and/or replacement.Such repairs and/or replacement will be made by the SELLER. The result is that the film becomes detached from the tablet’s substrate. /Resources << /Type /Group H�tUM��6��+��@�|���$Ѭ)Q#�a�7m���f;�7�Se�{z�-0.�U�{��no2��E)K���30x��.�c�'|������8px6����G,���(�!�W|Nң������{�TE�0cQ�Q�ž��ќU4��*�0�!����Ӑ£����=�?��|A��6�oٝm�?�ޮ�9p�[��n1>⢂�J"�C���7c��s� The Executive Office of Health and Human Services services directly touch the lives of slightly more than 1 in 4 residents in the Commonwealth — some of our most vulnerable children, youth, adults, and elders. >> /Type /Page /Type /Page ���>�u˶W�F>1=(l������ ����k,8��x�9��. endobj 29 0 obj >> ... print defects or even poor ink transfer may result. /Image41 62 0 R /MediaBox [0 0 612 792] /Group << /Resources << /Image4 41 0 R /Image4 41 0 R /Type /Group /Creator /Image4 41 0 R /Image10 42 0 R /Group << >> /S /Transparency 8 0 obj /CS /DeviceRGB /Image26 54 0 R >> /Resources << /Parent 2 0 R /Image28 56 0 R /F5 71 0 R 27 0 obj /Type /Group /BitsPerComponent 8 26 0 obj /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Type /Page /Group << /F6 77 0 R /S /Transparency l���!���$��ǂc�^�oW+���b��S/�=o����(mer��/��Qƫ�*�Z(�JE� >> /Tabs /S /Image10 42 0 R /Type /Page /Type /Group or From imperfections in the material being printed or to imperfections in the material itself.. /Font << /Image4 41 0 R /F6 32 0 R endobj 21 0 obj (ii) By changing the chemical composition of the metal. ����7 p��rI�"�.�a��l��ЗZ��ͱ�V8�7]l-���}q|_.����"[0J��3DU�f���閍?��1��~���� �~�
#��W�x���ZpHp����mD7%� �1��������$�v�;�����'��\�p�L���x͂ޝ\ � � /Tabs /S >> /S /Transparency /Image77 83 0 R /Parent 2 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Type /Group Even though, to ensure a consistent batch to batch production of shade the following matters should be controlled carefully- Causes: Use of different brand dyes and chemical. endobj /Image4 41 0 R >> 6 were found in a range of samples. Stop excess air movement engraving or press frame. /Parent 2 0 R /F2 44 0 R Common Defects A paint defect is in many cases due to a number of causes. B�����.�&(��S�g9 �'pF50�',�byT�n��
"�u˗�� >> • Solvent Resistance —blankets are exposed to a wide variety of chemicals in the pressroom. /Parent 2 0 R >> 7 0 obj Blowhole and Pinhole This is a kind of cavities defect, which is also divided into pinhole and subsurface blowhole. In ceramic components fabricated by inkjet printing, defects in the form of voids typified by Fig. /Resources << 12 0 obj /Meta84 87 0 R Change ink. /Length 1753 /Image4 41 0 R /S /Transparency /MediaBox [0 0 612 792] /Image46 66 0 R /XObject << /Type /Group /Parent 2 0 R �8�J_Z�`eo
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? endobj /Type /Page /Tabs /S /Type /Group My printer is printing, but the pages are streaked, blotchy or faded; The quality of the print job depends not only on the printer itself but on the ink or toner cartridge and the drum unit if there is one. Printing Defects. /F5 71 0 R /MediaBox [0 0 612 792] /F2 44 0 R 13 0 obj /F4 30 0 R /G9 28 0 R /CS /DeviceRGB /Group << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 128 Muhammad Abu T aher et al. /Group << /CS /DeviceRGB Why: Hickeys are caused by dirt, paper fibers or hardened specks of ink on the printing plate or blanket. >> /BM /Normal /SA true /ExtGState << /F1 43 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 28 0 obj >> >> /S /Transparency In this article, we will explore some common causes and remedies for dirty printing. >> /F4 64 0 R << /Type /Group >> /Font << /F3 45 0 R /F6 94 0 R /S /Transparency /Parent 2 0 R How to avoid: If a publication contains large solids, it can be difficult for printers to avoid an occ… >> endobj /Image4 41 0 R Sewing section is the most important department of garments manufacturing factory. /Image20 50 0 R << /Resources << �Tr�O�q8�e^���O��3������O�ζ7g0��Ax�PҶ��pۧ�+�j���~M*�����i;ǜB_�ޅ/�����3o��QL��L@o��k�X������.x��-k\T�j��� �(����|46r���ѡ}����=ݺ�'�ٙ�І� ����o������K�}���&�R�����Y�T��܄v���3gկ^������f��N�l��п �=�����im���Z�iq��:?��P�w�8�'�ֹS��:9����?��_6��|����B�SI��w�1�2��֦�-���
�>���rA�����w�͵>د��͝���W�=�0���9��+*%����5���T��?��:�nXU��@U)?� � �(���]ܡu400��5p���S�gQ�G_莶RJ���R0^�yUPQ���^^�J?H�c�܃���8~�̓�� Z�@�Z�YNJ-|��q]��Z$��v�u����� /Resources << installation methods, sanding or finishing techniques, manufacturer defects, or a combination of all of the above. /F1 43 0 R /Type /Page Author Mike Thibault is the Vice President of Technical Services for Unigraph Int. /Pages 2 0 R /S /Transparency /S /Transparency /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /CS /DeviceRGB /Tabs /S /GS85 89 0 R >> /F4 64 0 R : Study on Different Types of Knitting Faults, Causes and Remedies of Knit Fabrics 3.4 .1 . /Tabs /S /Image10 42 0 R defects, are very common to.Guide to the Inspection of Printed. endobj /Font << /Image57 74 0 R /F1 43 0 R << /Resources << << /Parent 2 0 R /F1 43 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Mix and keep mixing while using. /S /Transparency /F2 44 0 R /F6 77 0 R /Image4 41 0 R /XObject << endobj /Author (USER) /S /Transparency 17 0 obj >> /MediaBox [0 0 612 792] /ca 1 /F1 43 0 R /F4 64 0 R Causes. Anilox Roll Selection. /Image10 42 0 R 4 Major defects -> 1 critical defect -> stop the production. $@���@��w�X����@�H�J? /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /F2 44 0 R So below we’ll learn about the 7 most common welding defects, their types, causes and remedies. Unfortunately several defects can arise with coatings. /F5 71 0 R /Font << /Font << Flipped Yarn The part that looks like scratches because the warp and weft yarns have been turned upside … endobj /Font << endobj Res. /Parent 2 0 R /F1 43 0 R >> /F3 45 0 R /F5 71 0 R /Image15 47 0 R >> *U�@�x���T /Font << /F1 43 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Type /Group >> /Contents 69 0 R /Tabs /S /BM /Normal Show More. Remedies. /Type /Page endobj /F1 43 0 R /Parent 2 0 R I have written the topic in very easily understand language as well as I attach a PDF file of this article so that after reading you can download the PDF for your offline studies. /S /Transparency endobj >> /MediaBox [0 0 612 792] /Font << endobj /CS /DeviceRGB Applicator 1. Use this guide to identify your print defect, and read more about the print defect with potential causes and.Below is a list of common print defects found print pdf without dialog in laser printers. /Parent 2 0 R Anilox Roll Selection >> /Font << >> /F3 45 0 R 1 0 obj /Resources << /Resources << >> /XObject << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 3.Floats. 5 0 obj /Type /Group >> /Contents 81 0 R /CS /DeviceRGB /Image4 41 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> %PDF-1.5 %PDF-1.3
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/Image10 42 0 R >> /XObject << /XObject << << /F1 43 0 R Œ�h/� ��$���!���n7�:��fK]���)��Pd�U*���(*���O(� Sand Holes. Remedies (i) This defect can be avoided by using proper cooling practice. /Group << >> These are the common sand casting defects on the surface and inside of cast iron and cast steel parts. /F4 64 0 R >> >> 11 0 obj endobj >> /Type /Pages /Parent 2 0 R /Image91 92 0 R << 3.Dried ink 3. >> /Resources << /rgid (PB:277324334_AS:234249202696192@1432860770852) >> /Type /Group /StructParents 0 ( qj'���$��/�ڂ�k͖���*�۬+zLoQ�e]��ㅓ�Π
�K���ǶV���3�Pq+l:���lsZq��fI80��/H�丮u.2r�. /Parent 2 0 R /Image10 42 0 R /Type /Page /LW 1 Faulty or improper preparation of fabric prior to printing. Systematic experiments were carried out to study the causes of these microscopic defects. /F3 45 0 R >> ����PvR��V�K�/����G6����v�;��(�̸1cƌ��y3��1{L�(��j 13. /F3 45 0 R Improperly set or worn rollers. /XObject << �jm;��KC� >> /CS /DeviceRGB /Font << /XObject << /Contents 80 0 R To take preventive action against these common causes a machinist must know the possible remedies of the common causes. /Font << /CA 1 /S /Transparency /F1 43 0 R /ExtGState << /Image16 48 0 R /Image27 55 0 R >> /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Most anilox roll manufacturers will recommend running an anilox roll with an LPI at least 5 times the printing LPI. >> << >> /Contents 93 0 R /Contents 78 0 R /Contents 57 0 R /Image4 41 0 R 19 0 obj /Tabs /S >> /F3 45 0 R /Resources << /Resources << 16 0 obj >> /Tabs /S >> /F2 44 0 R As higher printing resolutions are demanded of flexographic printers, it is imperative that the process itself is capable of handling the demand to reduce the risk of dirty printing. �P��NJD�Hp�/��� �\�[�� /=f+�qi[ Cause: 1. /CS /DeviceRGB If the cause of the problem can be identified and addressed in a timely, professional manner, you can still have a satisfied customer. /F1 43 0 R << Add anti-oxidant or retard ink-drying. /Contents 91 0 R /S /Transparency /F1 43 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] endobj /MediaBox [0 0 612 792] /XObject << /F1 43 0 R Dyes or pigments used in dyeing are usually in a water bath solution. /F4 64 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> offset printing defects pdf on the way to elevating offset printing to a new domain.Abstract This paper deals with casting defects in offset printing press cylinderand their remedies. endobj & Rob. /F3 45 0 R >> Dehumidifying dryers are used to get moisture down to 0.01% or less which is enough to avoid problems. To achieve good painting work, applicators and site supervisors should understand the causes and preventive measures of common defects that occur at /MediaBox [0 0 612 792] /Image32 59 0 R "$"$�� C�� @ @ �� �� 2 !1"AQaq2��BR�C����� �� ' !1"AQaq������ ? /F2 44 0 R 187 Int. /Type /Page /S /Transparency >> /Type /Page << Instruct weavers and supervisors to periodically check fabric to remove double ends. /Image4 41 0 R >> 0 Comments Comment Here.. Post. endobj Common Metal Casting Defects Introducing various metal casting defects with many pictures by Dandong Foundry in China. REMEDY OF DEFECTS. /F3 45 0 R /Resources << /Image10 42 0 R Remedies: Try a lower tack or lower set rate of ink. /LC 0 >> /Tabs /S >> /Resources << /G8 27 0 R /Image10 42 0 R 24 0 R 25 0 R] /CS /DeviceRGB Definition: Blistering of a surface film occurs when its elasticity or adhesive properties are compromised. >> /Type /Group �#(0c4���/����_�݁
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;��mI�4��ĩ���F���4�V� %$�(��]c�1���aw8�=~��4[:l�ws}���G Textile printing utilizes the same dyes or pigments applied to produce a dyed fabric. /F3 45 0 R endobj endobj /Contents [95 0 R 96 0 R] /Group << << << *(����D�J�U|�ӱGW���q�|�^��p��'b� ���
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