16. BRINKMANN PROTRACTOR FOR PRECISE ALIGNMENT OF TONEARMS AND CARTRIDGES
The Brinkmann protractor is machined with utmost possible precision.
All machining steps of the ground plate and the guideway of the bar were performed in one set up
on the CNC machine. This “Single Set-Up” process avoids any geometric errors caused by machine
ĮdžƚƵƌĞƐ
tĞĮƌƐƚŵŽƵŶƚƚŚĞďůĂĐŬďůŽĐŬŽŶƚŚĞďĂƐĞƉůĂƚĞĂŶĚƚŚĞŶƚŚĞƐƉŝŶĚůĞŚŽůĞŝƐĚƌŝůůĞĚ͕ƚŚĞŐƵŝĚĞǁĂLJ
ĨŽƌƚŚĞďĂƌ͕ƚŚĞƌĞƟĐƵůĞĂŶĚŝƚ͛ƐŐƌŝĚŽĨůŝŶĞƐĂƌĞŵĂĐŚŝŶĞĚ͘
During this process only the tools of the CNC machine are changed but the protractor is not moved
ĨƌŽŵƚŚĞŵĂĐŚŝŶĞƵŶƟůĂůůŝƐĚŽŶĞ͘dŚŝƐƌĞƐƵůƚƐŝŶƉƌĞĐŝƐŝŽŶŽĨďĞƩĞƌƚŚĂŶϬ͘Ϭϭŵŵ͘
tŝƚŚŽƵƌĐŽŶƐƚƌƵĐƟŽŶŵĞƚŚŽĚŽůŽŐLJĂŶĚƚŽŽůŝŶŐ͕ƚŚĞƉƌŽƚƌĂĐƚŽƌĂůůŽǁƐĨŽƌŚŝŐŚͲƉƌĞĐŝƐŝŽŶĂůŝŐŶŵĞŶƚ
ŽĨƚŚĞĐĂƌƚƌŝĚŐĞƐĂŶĚƚŽŶĞĂƌŵ͖ŚŽǁĞǀĞƌ͕ǀĞƌLJĐĂƌĞĨƵůƵƐĞŽĨƚŚĞƉƌŽƚƌĂĐƚŽƌŝƐƐƟůůƌĞƋƵŝƌĞĚƚŽĂĐŚŝĞǀĞ
ŽƉƟŵĂůƌĞƐƵůƚƐ͘
'ĞŽŵĞƚƌŝĐĂůůLJ͕ƚŚĞƉƌŽƚƌĂĐƚŽƌĨŽůůŽǁƐƚŚĞ/ƌƵůĞƐĨŽƌƚŚĞƚǁŽŶƵůůƉŽŝŶƚƐͶϲϲ͘ϬϰĂŶĚϭϮϬ͘ϵŵŵͶ
ŐŝǀĞŶĂƐϲϲĂŶĚϭϮϭŵŵ͘
dŚĞƌĞŚĂǀĞďĞĞŶŵĂŶLJĚŝƐĐƵƐƐŝŽŶƐĂďŽƵƚĚŝīĞƌĞŶƚƉŽƐƐŝďůĞŶƵůůƉŽŝŶƚƐ͕ďƵƚǁĞǁŝůůŶŽƚĚĞďĂƚĞƚŚŝƐ
ŚĞƌĞ͘ǀĂůƵĂƟŽŶƐŚĂǀĞƐŚŽǁŶƚŚĂƚƚŚĞ/ƌƵůĞƐĂƌĞǀĂůŝĚĂŶĚůĞĂĚƚŽĞdžĐĞůůĞŶƚƐŽŶŝĐƌĞƐƵůƚƐ͘
KŶĞƐƉĞĐŝĂůƋƵĂůŝƚLJŽĨƚŚŝƐƉƌŽƚƌĂĐƚŽƌŝƐƚŚĞŽīƐĞƚďĞƚǁĞĞŶƚŚĞŐƵŝĚĞǁĂLJŽĨƚŚĞďĂƌĂŶĚƚŚĞŚŽůĞĨŽƌ
ƚŚĞƐƉŝŶĚůĞ͘dŚŝƐŽīƐĞƚŝƐŚĂůĨŽĨƚŚĞĚŝīĞƌĞŶĐĞďĞƚǁĞĞŶŽƵƚĞƌĂŶĚŝŶŶĞƌŶƵůůƉŽŝŶƚϭϮϭʹϲϲŵŵ͘ƵĞ
ƚŽŵŝƌƌŽƌŝŶŐŽǀĞƌƚŚŝƐŽīƐĞƚƚŚĞŽƵƚĞƌŶƵůůƉŽŝŶƚŝƐĂƵƚŽŵĂƟĐĂůůLJĂĚũƵƐƚĞĚďLJĂĚũƵƐƟŶŐƚŚĞĐĂƌƚƌŝĚŐĞ
ƉƌĞĐŝƐĞůLJŽŶƚŚĞŝŶŶĞƌŶƵůůƉŽŝŶƚ͖ŝŶŽƚŚĞƌǁŽƌĚƐ͕ĂƐŝŶŐůĞĂĚũƵƐƚŵĞŶƚĂůŝŐŶƐďŽƚŚŶƵůůƉŽŝŶƚƐ͘
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