{"id":118,"date":"2013-03-26T11:11:49","date_gmt":"2013-03-26T11:11:49","guid":{"rendered":"http:\/\/themes.oxygenna.com\/smartbox\/?page_id=118"},"modified":"2016-05-09T15:31:43","modified_gmt":"2016-05-09T15:31:43","slug":"faqs","status":"publish","type":"page","link":"https:\/\/superiorcarbon.com\/en\/faqs\/","title":{"rendered":""},"content":{"rendered":"

Faqs<\/h1><\/div>
\n<\/div><\/div><\/section>\n
\n
1. Is there a strong brush sparking??<\/a><\/div>
\n\u2013 Commutator or ring<\/a><\/strong> are dirty
\n\u2013 Wrong positioning of brush<\/a><\/strong> seat
\n\u2013 Too low brush pressure on the commutator or ring
\n\u2013 Carbon brush<\/strong><\/a> clearance in the brush holder is too large
\n\u2013 Wrong distance between commutator or ring<\/strong><\/a> and brushes
\n\u2013 Strong vibrations<\/strong><\/a>
\n\u2013 Commutator or slip ring is out of-round
\n\u2013 Commutator bars insulation is not correct
\n\u2013 Wrong brush proportion acting on commutator bars
\n\u2013 Wrong positioning of brush-holder bridge
\n\u2013 Neutral line misadjusted
\n\u2013 Poor connections between commutator bars and windings
\n\u2013 Uneven current distribution between brushes
\n\u2013 Machine is overloaded
\n\u2013 Wrong brush grade
\n<\/div><\/div><\/div>
2. Is there high or uneven brush wear?<\/a><\/div>
\n\u2013 Bad commutation
\n\u2013 Vibrations
\n\u2013 Commutator or slip ring is out of-round
\n\u2013 Protruding mica
\n\u2013 Uneven or too low brush pressure
\n\u2013 Uneven current distribution between brushes
\n\u2013 Machine is overloaded
\n\u2013 Mixed brush grades are fitted in
\n\u2013 Patchy commutator or slip-ring
\n\u2013 Adverse influence of oil or dirt
\n\u2013 Humidity too low
\n\u2013 Dusty air
\n\u2013 Aggressive gases and vapours in the air
\n\u2013 Unsuitable brush grade
\n<\/div><\/div><\/div>
3. Is there brush oscillation and rattling?<\/a><\/div>
\n\u2013 excessive brush play in the brush-holder box
\n\u2013 Too much distance between commutator or ring and brushes
\n\u2013 Wrong radial positioning of brush-holders
\n\u2013 Brush-holder pressure finger bent
\n\u2013 Commutator or slip-ring surface too smooth
\n\u2013 Protruding mica
\n\u2013 Dust, having a polishing effect, in the atmosphere
\n\u2013 Low environmental humidity
\n\u2013 Unsuitable brush grade
\n<\/div><\/div><\/div>
4. Patchiness and burns on splip-rings and commutators happens?<\/a><\/div>
\n\u2013 Vibrations or oscillations at the brush holder and brush
\n\u2013 Brush pressure too low
\n\u2013 Defective windings
\n\u2013 Commutators or slip-rings out of-round
\n\u2013 Protruding or loose commutator segments
\n\u2013 Protruding mica
\n<\/div><\/div><\/div>
5. Is there grooving on commutator and ring surface?<\/a><\/div>
\n\u2013 Hard and fine dust particles in the cooling air
\n\u2013 Low machine load leads to pin point sparking on the brush contact surface
\n\u2013 High environmental humidity
\n\u2013 Chemical polluted (aggressive gas) air
\n<\/div><\/div><\/div><\/div><\/div>\n
\"\"<\/div><\/div><\/div><\/section>\n

More Questions?<\/h1><\/div>

<\/i> More info<\/a>\n<\/p>\n<\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"template-full-nopad.php","meta":[],"_links":{"self":[{"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/pages\/118"}],"collection":[{"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/comments?post=118"}],"version-history":[{"count":23,"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/pages\/118\/revisions"}],"predecessor-version":[{"id":1332,"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/pages\/118\/revisions\/1332"}],"wp:attachment":[{"href":"https:\/\/superiorcarbon.com\/en\/wp-json\/wp\/v2\/media?parent=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}