Re: question for MR.HTP

george, when you say that you are raising the saddle, do you mean the table
on the mill?
"Mr. HPT" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Single cylinder is done on engine late because its much faster process
then
> set up on milling machine. When using this type procedure opposite side of
> the exhaust has to be balanced. Fixture is made to fit cylinder base bolts
I
> use  face plate instead of chuck,  fixture has clearance for moving center
> line of cylinder to establish center line of a bore. Twins and triples are
> done on vertical milling machine. After indicating each bore for center
> line,dimensions are recorded using digital read out with 0.0005" accuracy.
> Rough boring of cylinder is done first to each hole leaving about 0.003"
> stock per side for finish cut. After finish cut is done cylinder is honed
> with in +/- 0.0002 "accuracy. I also rework nikasile cylinders. Regardless
> what carpenter imagines I'm equipped to do 100 % machining in my shop or
> should I say in my trailer. LOL
> PS. Boring job on milling machine requires solid boring head and feeding
is
> done by saddle not a spindle. One peace twin and triple cylinder heads are
> also machined on vertical mill, after establishing center lines saddle is
> used to come  up to a work peace with in 0.0000" accuracy using precision
> indicator. Avery head has same volume automatically. Replaceable domes are
> cut on manual late using tracer fixture which I made believe it or not in
my
> trailer shop. LOL
>  Flywheels are also machined on late, triple cylinder wheel requires
> additional milling between trigger magnets which is done using rotary
table
> on milling machine.
> Cranks are inspected on late using front bearing support and rear bearing
is
> resting in the chuck. After crank is reworked it under goes final
inspection
> for indexing and TIR deflection, if front spindle is running out more then
> 0.0005" TIR it under go grinding procedure which removes less then 0.001"
> stock, again graining  fixture is also home made by this tool maker in his
> trailer shop.
>
> When dealing with hard to find parts I make or rework them. For example if
> cases are not available I will clean up parting line, and line bore crank
> journals, again using in house vertical mill.made in China, how about
that?
> I began tool making training program back  in  70's, sense that time many
> people benefited from my one on one training program. Two Stroke Engine
> design and basic machining procedures in this industries I began in 1985,
> sense that time number of HPT graduate students became proficient engine
> designers builders, and tuners.
>
> In 1992 I was approached by PWCI to do couple technical documents, I done
38
> of them, again many people benefited from my basic program. Unfortunately
> some of the so call expert tuners did not like my program which cut thru
> secret bull shit which was flooding around at that time. Hence war began
> which is lingering to this day.
>
> Best way to find out what HPT Sport USA is all about is to attend my basic
> or advance engine design  and machine shop program.
> For the price of one blown engine, many students became excellent  engine
> builders and shop owners.
> For references call George
> at HPT Sport USA
> www.hpt-sport.com
> 270-898-2617
>
>
>
>
> "simpleton" <[EMAIL PROTECTED]> wrote in message
> news:[EMAIL PROTECTED]
> > hey george, do you really do your honing on a bridgeport?
> > what are you using to bore cylinders?  a boring head on a mill or do you
> do
> > it on a lathe?
> > i have always been curious about this.
> > simpleton
> >
> >
>
>