За один и тот же промежуток времени (например, за рабочую смену), эффективность работы такого ОЦ повышается примерно вдвое путем параллельной обработки двух деталей, а степень гибкости не снижается по сравнению с одношпиндельной компоновкой такого же ОЦ.
В связи с тем, что затраты вспомогательного времени на таких станках минимальны (время между окончанием обработки предыдущей поверхности и началом обработки следующей, с учетом замены инструмента, т. е. время «от стружки до стружки», составляет 1,5 —2,5 с, а скорости резания достаточно высоки), затраты на полную обработку сложных деталей, например, корпусных, приемлемы. При крупносерийном производстве автомобилей на автоматических линиях используют несколько одинаковых, параллельно работающих ОЦ. Однако для получения массового выпуска путем увеличения числа параллельно работающих одинаковых ОЦ стоит дорого, а возможности их автоматической переналадки используют очень мало. Высокая цена автоматического оборудования и незначительное использование возможностей его переналадки при массовом производстве снижают экономическую эффективность его применения. Поэтому даже при проектировании обрабатывающих центров некоторые фирмы начинают использовать принципы многоинструментальной и даже многопозиционной обработки деталей на одном станке и при этом не снижать существенно возможности его автоматической переналадки на обработку других деталей путем применения мехатронных устройств числового программного управления.
Пример такой разработки (рис 6.15) демонстрировали на международных станкостроительных выставках в Ганновере (ФРГ) в
Основу компоновки такого ОЦ составляет четырехпозиционный поворотный стол 1 с установленными на нем зажимными приспособлениями 2, которые могут использоваться как стационарные и вращаться во время обработки деталей.
Application 0.000 seconds (+0.000); 0.75 MB (+0.753) - afterLoad
Application 0.014 seconds (+0.014); 2.64 MB (+1.883) - afterInitialise
Application 0.027 seconds (+0.012); 3.26 MB (+0.626) - afterRoute
Application 0.049 seconds (+0.023); 3.92 MB (+0.661) - afterDispatch
Application 0.051 seconds (+0.002); 4.04 MB (+0.112) - beforeRenderModule mod_virtuemart_cart (Корзина)
Application 0.153 seconds (+0.102); 6.94 MB (+2.902) - afterRenderModule mod_virtuemart_cart (Корзина)
Application 0.155 seconds (+0.002); 6.96 MB (+0.019) - afterRender
6.95 MB (7,284,080 Bytes)
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SELECT id, rules
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AND type ='plugin'
AND state >= 0
AND access IN (1,1)
ORDER BY ordering
SELECT extension_id AS id, element AS "option", params, enabled
FROM automarket_extensions
WHERE `type` = 'component'
AND `element` = 'com_languages'
SELECT `custom_data`
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WHERE `type` = 'component'
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FROM automarket_sef_subdomains
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SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component
FROM automarket_menu AS m
LEFT JOIN automarket_extensions AS e
ON m.component_id = e.extension_id
WHERE m.published = 1
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AND m.client_id = 0
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VALUES ('0','18.97.14.89','jm3dnh14gqn2rdt63m8pj31ks7','/materialy-sajta/effektivnost-raboty-ots-povyshaetsya-primerno-vdvoe-putem-parallelnoj-obrabotki-dvukh-detalej','')
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CASE WHEN badcats.id is null THEN a.state ELSE 0 END AS state, a.mask, a.catid, a.created, a.created_by, a.created_by_alias,
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c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,
c.path, c.published, c.rgt, c.title, c.modified_user_id
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LEFT JOIN automarket_extensions AS e
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AND (m.publish_up = '0000-00-00 00:00:00' OR m.publish_up <= '2024-12-14 01:03:02')
AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2024-12-14 01:03:02')
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AND (mm.menuid = 142 OR mm.menuid <= 0)
ORDER BY m.position, m.ordering
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SELECT `config`
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SELECT `virtuemart_permgroup_id`,`group_name`,`group_level`
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SELECT *
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SELECT `price_display`,`custom_price_display`
FROM `automarket_virtuemart_shoppergroups` AS `sg`
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SELECT *
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AND (`virtuemart_vendor_id` = "1" OR `shared` = "1")
AND `published`="1"
SELECT *
FROM automarket_virtuemart_calcs
WHERE
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AND (`virtuemart_vendor_id`="1" OR `shared`="1" )
AND ( ( publish_up = "0000-00-00 00:00:00" OR publish_up <= "2024-12-14 01:03:02" )
AND ( publish_down = "0000-00-00 00:00:00" OR publish_down >= "2024-12-14 01:03:02" )
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SELECT *
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AND ( publish_up = "0000-00-00 00:00:00" OR publish_up <= "2024-12-14 01:03:02" )
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SELECT *
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WHERE
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SELECT *
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WHERE
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SELECT extension_id AS id, element AS "option", params, enabled
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FROM automarket_extensions
4 × SELECT *
FROM automarket_virtuemart_calcs
1 × SELECT id, link, language
FROM automarket_menu
1 × SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid
FROM automarket_modules AS m
LEFT JOIN automarket_modules_menu AS mm
ON mm.moduleid = m.id
LEFT JOIN automarket_extensions AS e
ON e.element = m.module
AND e.client_id = m.client_id
1 × SELECT c.*,
CASE WHEN CHAR_LENGTH(c.alias) THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug
FROM automarket_categories as c
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ON (s.lft <= c.lft
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LEFT JOIN (SELECT cat.id as id
FROM automarket_categories AS cat JOIN automarket_categories AS parent
ON cat.lft BETWEEN parent.lft
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1 × SELECT a.id, a.asset_id, a.title, a.alias, a.title_alias, a.introtext, a.fulltext,
CASE WHEN badcats.id is null THEN a.state ELSE 0 END AS state, a.mask, a.catid, a.created, a.created_by, a.created_by_alias,
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1 × SELECT b.rules
FROM automarket_assets AS a
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1 × SELECT `vendor_currency`,`currency_code_3`,`currency_numeric_code`
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1 × SELECT a.rules
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1 × SELECT *
FROM automarket_jcomments_setting
1 × SELECT `custom_data`
FROM `automarket_extensions`
1 × SELECT *
FROM automarket_sef_subdomain
1 × SELECT folder AS type, element AS name, params
FROM automarket_extensions
1 × SELECT id, rules
FROM `automarket_viewlevels
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1 × SELECT b.id
FROM automarket_usergroups AS a
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FROM automarket_menu AS m
LEFT JOIN automarket_extensions AS e
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1 × SELECT `data`
FROM `automarket_session`
1 × SELECT *
FROM automarket_sefurls
1 × SELECT element,params
FROM automarket_extensions
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ON `u`.`id` = `a`.`url`
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LEFT JOIN automarket_extensions as e
ON e.element=s.template
AND e.type='template'
AND e.client_id=s.client_id
1 × SHOW TABLES LIKE "automarket_virtuemart_configs
1 × UPDATE `automarket_session`
SET `data` = '__default|a:7:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1734138182;s:18:\"session.timer.last\";i:1734138182;s:17:\"session.timer.now\";i:1734138182;s:22:\"session.client.browser\";s:40:\"CCBot/2.0 (https://commoncrawl.org/faq/)\";s:8:\"registry\";O:9:\"JRegistry\":1:{s:7:\"\0*\0data\";O:8:\"stdClass\":0:{}}s:4:\"user\";O:5:\"JUser\":25:{s:9:\"\0*\0isRoot\";b:0;s:2:\"id\";i:0;s:4:\"name\";N;s:8:\"username\";N;s:5:\"email\";N;s:8:\"password\";N;s:14:\"password_clear\";s:0:\"\";s:8:\"usertype\";N;s:5:\"block\";N;s:9:\"sendEmail\";i:0;s:12:\"registerDate\";N;s:13:\"lastvisitDate\";N;s:10:\"activation\";N;s:6:\"params\";N;s:6:\"groups\";a:0:{}s:5:\"guest\";i:1;s:13:\"lastResetTime\";N;s:10:\"resetCount\";N;s:10:\"\0*\0_params\";O:9:\"JRegistry\":1:{s:7:\"\0*\0data\";O:8:\"stdClass\":0:{}}s:14:\"\0*\0_authGroups\";a:1:{i:0;i:1;}s:14:\"\0*\0_authLevels\";a:2:{i:0;i:1;i:1;i:1;}s:15:\"\0*\0_authActions\";N;s:12:\"\0*\0_errorMsg\";N;s:10:\"\0*\0_errors\";a:0:{}s:3:\"aid\";i:0;}}' , `time` = '1734138182'
1 × UPDATE automarket_content
SET hits = hits + 1
1 × INSERT INTO `automarket_rokuserstats` (`user_id`,`ip`,`session_id`,`page`,`referrer`)
VALUES ('0','18.97.14.89','jm3dnh14gqn2rdt63m8pj31ks7','/materialy-sajta/effektivnost-raboty-ots-povyshaetsya-primerno-vdvoe-putem-parallelnoj-obrabotki-dvukh-detalej',''
1 × UPDATE automarket_sefurls
SET cpt=(cpt+1)
1 × INSERT INTO `automarket_session` (`session_id`, `client_id`, `time`)
VALUES ('jm3dnh14gqn2rdt63m8pj31ks7', 0, '1734138182'